Union Steel Industry Co., Ltd as member of United Steel Industry Group, specialized in steel pipe and pipe fittings designing, manufacturing, stocking and exporting in China.

Our products

1. SMLS &ERW Steel Pipe（especially processing galvanized/FPE/3LPE/Grooved/pipe & flange welding …etc with very competitive price)
2. Tubing&casing (Professional standard API 5CT PSL1/2 J55 K55 P110 Q125….)
3. Structure steel profile（Mainly provide international general standards, advantage prices for some EU standards or other standards)
4. steel plate &pipe fittings(flange,elbow,reducer,valve..etc)

We basically have steel in stock and support fast delivery:

• Steel pipe : ASTM A53;ASTM A106;ASTM A333;ASTM A500;ASTM A252 ..etc or Equivalent
• Structural steel hollow section: EN 10025、EN 10219 S235/S275/S355..etc or Equivalent
• Steel plate : ASTM A36, ASTM A283, ASTM A572..etc or Equivalent
• We can also provide various conventional stainless steel products.

You can forward needs on alisa@union-steels.com i will provide you best price .

UNS S31254 / Alloy 6Mo / WNR 1.4547 / F44 / 254SMO Super Austenitic Stainless Steel

UNS S31254 is a high corrosion resistant Super Austenitic Stainless Steel and provide excellent corrosion resistance in severe corrosion environments such as high temperature seawater.

We offer a comprehensive selection of seamless/welded stainless steel pipes, including the UNS S31254 super austenitic stainless steel pipe, also known as 254SMo or WNR 1.4547. Made with high-quality materials and under strict manufacturing standards, these pipes are perfect for a variety of applications in seawater handling systems, desalination plant equipment, chemical processing, and flue gas desulphurization units.

UNS S31254 Stainless Steel Pipe Features:

– High corrosion resistance: Made with alloy UNS S31254, these pipes are highly resistant to corrosion in harsh environments, including high chloride and acidic conditions.

– High strength: The WNR 1.4547 pipes are made with a super austenitic stainless steel with high strength, making them durable and reliable for a range of applications.

– Excellent weldability: The 6mo stainless steel pipes are easy to weld and fabricate, making them a versatile solution for complex piping systems.

– Compliant with industry standards: The 254SMO Super Austenitic Stainless Steel pipes meet the manufacturing standards of ASTM A269, ASTM A312, and ASTM A213, ensuring quality and reliability.

UNS S31254 Chemical Composition (%)

254SMO Physical Properties：

UNS S31254 Stainless Steel Pipe Applications:

– Seawater handling systems: The UNS 31254 Stainless Steel pipes are ideal for use in seawater handling systems due to their high corrosion resistance and strength.

– Desalination plant equipment: The  WNR 1.4547 Stainless Steel tubes are widely used in desalination plant equipment due to their ability to withstand high chloride and saltwater environments.

– Chemical processing: The UNS S31254 pipes are suitable for chemical processing due to their corrosion resistance and thermal stability.

– Flue gas desulphurization unit: The Alloy 6Mo Stainless Steel pipes are ideal for use in flue gas desulphurization units due to their resistance to acids and ability to handle high temperatures.

Manufacturing Standards:

ASTM A213

ASTM A312

ASTM A269

Also individual customer specifications, as a professional UNS 31254 Stainless Steel pipes and tubing supplier, Hengyang is committed to providing high-quality stainless steel pipes to meet the needs of our customers. Contact us today for more information on the UNS S31254 pipe and other products in our collection.

Product Item：HY005

Manufacturing: Cold Rolled/Cold Drawn

Type: Seamless/Welded

Surface: Annealed and Passivated

Application Fields: heat exchanger, boiler, evaporator

Alloy 825/ UNS N08825/ W.Nr.2.4858/ Incoloy® 825

Alloy 825 tube, also known as Incoloy 825 pipe, W.Nr. 2.4858 or UNS N08825, this nickel alloy steel is a combination of nickel, chromium, and iron, with small amounts of molybdenum, copper, and titanium to enhance its resistance to corrosive environments, especially in chloride-containing media. 825 tubing is a durable and reliable material that is widely used in applications that involve harsh environments and high temperatures.

UNS N08825 Chemical Composition:

Features of Alloy 825 Tube:

1. Excellent Corrosion Resistance: Alloy 825 tube is highly resistant to corrosion, pitting, and stress corrosion cracking in various corrosive environments like nitric acid, sulfuric acid, phosphoric acid, and others.
2. High-Temperature Strength: The inconel 825 tube can withstand high temperatures up to 550°C (1020°F) and still maintain its excellent mechanical properties.
3. Good Weldability: Incoloy 825 pipe can be easily welded with various welding processes, including gas tungsten arc welding, gas metal arc welding, and shielded metal arc welding.

Incoloy® 825 Physical Constants:

Alloy 825 Tube Application:

1. Chemical Processing Equipment: Alloy 825 tube is used in the chemical processing industry for making process vessels, reactors, tanks, and other equipment that need to be resistant to corrosion.
2. Heat Exchanger Tube UNS N08825: Incoloy 825 tubing is commonly used as heat exchanger tubing in various industries like chemical processing, oil and gas, and power generation.
3. Pollution Control: Alloy 825 tube is widely used in pollution control systems due to its excellent corrosion resistance, widely used in scrubber systems for removing harmful gas emissions from power plants and other industrial facilities.
4. Petroleum Refining: Inconel 825 pipeis used in petroleum refining applications due to its ability to withstand highly corrosive environments, commonly used in heat exchangers, piping systems, and other equipment that comes into contact with sulfuric acid, hydrochloric acid, and other corrosive substances.
5. Offshore Oil and Gas Production: The incolony tubeis widely used in offshore and onshore oil and gas production, where corrosion-resistant materials are needed to withstand harsh corrosive environments.

* Marine: W.Nr.2.4858 is used in marine applications, including seawater cooling systems, desalination plants, and offshore platforms.

* Acid Production: 825 pipe is commonly used in the production of acids such as sulfuric acid, phosphoric acid, and nitric acid due to its excellent resistance to corrosion. It is used in heat exchangers, piping systems, and other equipment that come into contact with these corrosive substances.

* Nuclear Fuel Reprocessing: Incoloy 825 seamless pipe is commonly used in nuclear fuel reprocessing applications due to its ability to withstand highly corrosive environments. It is used in equipment such as storage tanks, piping systems, and heat exchangers that come into contact with radioactive materials and corrosive substances.

Alloy 825 is available in wide variety of shapes and forms including pipe, tube, fitting, flange, sheet, plate, round bar, forging stock, flat bar, wire, hexagon. The various forms of UNS N08825 from Hengyang Piping meet different critical standards like ASTM, ASME, DIN, EN, ISO and clients’ specification. For detailed information about customized pipe and fittings, please contact us!

An ISO 9001:2008 Certified Company, The Metal Factory is India’s most trusted manufacturer, exporter and supplier of stainless steel tubes (ASTM A 312 304/304L, 316/316L), carbon steel pipes (ASTM A A106, A53, API 5L), alloy steel seamless pipes (ASTM A335 P11, P22), mild steel pipes, industrial steel tubes, galvanized steel pipes and black steel pipes.
We can manufacture and supply steel pipes which can be fabricated to customers design and specification in a variety of length and thickness requirements. We can also offer cold drawn seamless steel tubes to meet the custom design and specifications of our customers. We specialise in the manufacture and supply of cold drawn seamless steel tubes, and large diameter stainless steel welded pipes (100% X-Ray Tested). ISO 9001:2008 Certification ensures consistency in our operations and testing procedures.

Steel Pipes and Steel Tubes supplied by The Metal Factory are used across wide range of industries including food processing, power generation, oil and gas, petrochemicals, petroleum pipelines, medical equipment, biopharma, pharmaceuticals, electrical engineering, fertilizer industry, dairy processing, boiler manufacturing and nuclear energy among others.
METLINE has been proudly servicing the steel pipe industry for over 40 years, as a major supplier and manufacturer of custom size steel pipes and steel tubes. We are the exclusive suppliers of stainless steel welded pipes, stainless steel seamless tubes, stainless steel tubing, alloy steel seamless pipes, boiler steel tubes, heat exchanger tubes, capillary tubes, coiled tubing, and galvanized steel pipes. We are serving all major cities and countries in their needs for steel pipes and steel tubes.
Our products are supplied to all major Industrial areas and cities in India such as Mumbai, Delhi, Bangalore, Hyderabad, Ahmedabad, Chennai, Kolkata, Surat, Pune, Nagpur, Indore, Thane, Bhopal, Visakhapatnam, Vadodra, Nashik, Faridabad, Rajkot, Aurangabad, Ranchi, Coimbatore, Raipur, Mysore, Bhubaneswar, Salem, Bhilai, Bhiwandi, Bikaner, Mangalore, Kochi (Cochin), Bhavnagar, Tirupur, Ankleshwar, Assam, Siliguri, Jamshedpur, Warangal, Nellore, Agartala and Thoothukudi.
Our high quality steel pipes, good customer service, and in house pipes and tubes processing capabilities have made us one of the emerging suppliers for steel pipes and tubes in Middle East countries including Bahrain, Cyprus, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Palestine, Qatar, Saudi Arabia, Syria, Turkey, United Arab Emirates and Yemen.
India’s #1 Supplier of Stainless Steel Pipes/Tubes, Chrome Moly Pipes, Black Pipes, Galvanised Pipes, Carbon Steel Pipes
Stainless Steel Pipes, Carbon Steel Tubes, Alloy Steel Tubes, MS Pipes Production and Stock Range
Outside Diameter: 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Thickness Range: 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type: Seamless / ERW / Welded / Fabricated / CDW
Key Steel Pipes & Tubes Products & Grades
1. Stainless Steel Seamless Pipes & Tubes – 304, 304/L, 316/L, 904L, 310S, 321H, 347H, 446
2. Stainless Steel Welded Pipes & Tubes – 304, 304/L, 316/L, 904L, 310S, 321H, 347H, 446
3. Square Stainless Steel Pipes, Round Stainless Steel Tubes, Rectangular Stainless Steel Pipes & Tubes
4. Carbon Steel Seamless Pipes as per ASTM A 106 Grade B/API 5L Grade B/ASTM A 53 Grade B
5. Carbon Steel Seamless Tubes as per BS 3059, ASTM A 179, ASTM A 192, ASTM A 210 GR.A1
6. Alloy Steel Seamless Pipes as per ASTM A335 Grade P1/ P5/ P9 / P11/ P12 / P22 / P91
7. LTCS Pipe – Low Temperature Carbon Steel Pipes as per ASTM A 333 Grade 6
8. Alloy Steel Seamless Tubes as per ASTM A213 Grade T5/T9/T11/T12/T22/T91
9. ERW Black Pipes as per IS:1239/I, IS: 3589 Grade 330 or Grade 410
10. Galvanised Pipes as per IS:1239/I
11. Square and Rectangular Steel Pipes as per IS: 4923
12. ERW Boiler Tubes: BS 3059, ASTM A 214
13. Air Pre Heater Tubes to BS: 6323 PART V
14. Hydraulic Tubes to DIN 2391 ST. 35, ST. 45 & ST. 52
15. Seamless Heat Exchanger Tubes ASTM A 179
16. CDW TUBES IS: 3074 or BS 980
17. CRCA ERW Tubes to IS 3601 OR IS 3074
18. Stainless Steel Electro polished Pipes Manufacturer/Supplier
19. Alloy Steel Fittings Manufacturer – ASTM A234 WP5, P11, P22, P91

Hebei Deko Commercial Co., Ltd. (hereinafter referred to as the “DEKO”), the company is located in China’s “Land of Casting” Hebei province, DEKO mainly supplies products involved in municipal engineering and road construction and related products, such as Ductile iron Pipe, Pipe Fitting, Valve, Manhole covers, Gratings, Public Illumination, Urban Furnishing, Flange and Pipe Repair Clamp etc…. we can also produce according to the drawings and samples provided by customers, our products have been exported to Europe, Africa, Asia, Middle East and Southeast Asia etc… providing import and export business for domestic and foreign customers.

DEKO has its own fully automatic vertical production line and now we have reached a strategic cooperation with several manufacturers and become the only designated agent service by manufacturers and can be better provide customers with the best prices, excellent product quality, DEKO’s aim is: to supply the required products and high quality service for every customers and maintain long-term and stable cooperation.

Our website:http://www.dekocommercial.com

南钢制造有限公司是一家专业生产
碳钢管、不锈钢管、结构型材和管件的公司。
其产品广泛应用于核电站、火力发电厂、
原子能发电厂、石油天然气、石油化工、化肥、化工、
医药等领域。南钢拥有丰富的生产经验，
优质的产品和完善的售后服务赢得了广大
客户的信赖。

Eastern Steel is a leading manufacturer and distributor

Custom-made

We use the advanced tools and technology to meet the varied requirements of pipes and tubes for the food processing industry, chemical industry, brewing industry, the pharmaceutical industry, cement industry, oil & gas industry, refineries, and water desalination.

Quality advantages

This was achieved by introduction of the unique equipment as well as the latest methods of quality control and testing of the manufactured pipe products. Modern pipe-rolling facilities, powerful technology base and highly qualified personnel make Eastern Steels competitive on equal terms with the worlds recognized leading brands.

An ISO 9001:2008 Certified Company, Steel Pipes & Tubes Industries is India’s most trusted manufacturer, exporter and supplier of stainless steel tubes (ASTM A 312 304/304L, 316/316L), carbon steel pipes (ASTM A A106, A53, API 5L), alloy steel seamless pipes (ASTM A335 P11, P22), mild steel pipes, industrial steel tubes, galvanized steel pipes and black steel pipes.
We can manufacture and supply steel pipes which can be fabricated to customers design and specification in a variety of length and thickness requirements. We can also offer cold drawn seamless steel tubes to meet the custom design and specifications of our customers. We specialise in the manufacture and supply of cold drawn seamless steel tubes, and large diameter stainless steel welded pipes (100% X-Ray Tested). ISO 9001:2008 Certification ensures consistency in our operations and testing procedures.
Steel Pipes and Steel Tubes supplied by Metline Pipes & Tubes are used across wide range of industries including food processing, power generation, oil and gas, petrochemicals, petroleum pipelines, medical equipment, biopharma, pharmaceuticals, electrical engineering, fertilizer industry, dairy processing, boiler manufacturing and nuclear energy among others.
METLINE has been proudly servicing the steel pipe industry for over 40 years, as a major supplier and manufacturer of custom size steel pipes and steel tubes. We are the exclusive suppliers of stainless steel welded pipes, stainless steel seamless tubes, stainless steel tubing, alloy steel seamless pipes, boiler steel tubes, heat exchanger tubes, capillary tubes, coiled tubing, and galvanized steel pipes. We are serving all major cities and countries in their needs for steel pipes and steel tubes.
Our products are supplied to all major Industrial areas and cities in India such as Mumbai, Delhi, Bangalore, Hyderabad, Ahmedabad, Chennai, Kolkata, Surat, Pune, Nagpur, Indore, Thane, Bhopal, Visakhapatnam, Vadodra, Nashik, Faridabad, Rajkot, Aurangabad, Ranchi, Coimbatore, Raipur, Mysore, Bhubaneswar, Salem, Bhilai, Bhiwandi, Bikaner, Mangalore, Kochi (Cochin), Bhavnagar, Tirupur, Ankleshwar, Assam, Siliguri, Jamshedpur, Warangal, Nellore, Agartala and Thoothukudi.
Our high quality steel pipes, good customer service, and in house pipes and tubes processing capabilities have made us one of the emerging suppliers for steel pipes and tubes in Middle East countries including Bahrain, Cyprus, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Palestine, Qatar, Saudi Arabia, Syria, Turkey, United Arab Emirates and Yemen.
India’s #1 Supplier of Stainless Steel Pipes/Tubes, Chrome Moly Pipes, Black Pipes, Galvanised Pipes, Carbon Steel Pipes
Stainless Steel Pipes, Carbon Steel Tubes, Alloy Steel Tubes, MS Pipes Production and Stock Range
Outside Diameter: 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Thickness Range: 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type: Seamless / ERW / Welded / Fabricated / CDW
Key Steel Pipes & Tubes Products & Grades
1. Stainless Steel Seamless Pipes & Tubes – 304, 304/L, 316/L, 904L, 310S, 321H, 347H, 446
2. Stainless Steel Welded Pipes & Tubes – 304, 304/L, 316/L, 904L, 310S, 321H, 347H, 446
3. Square Stainless Steel Pipes, Round Stainless Steel Tubes, Rectangular Stainless Steel Pipes & Tubes
4. Carbon Steel Seamless Pipes as per ASTM A 106 Grade B/API 5L Grade B/ASTM A 53 Grade B
5. Carbon Steel Seamless Tubes as per BS 3059, ASTM A 179, ASTM A 192, ASTM A 210 GR.A1
6. Alloy Steel Seamless Pipes as per ASTM A335 Grade P1/ P5/ P9 / P11/ P12 / P22 / P91
7. LTCS Pipe – Low Temperature Carbon Steel Pipes as per ASTM A 333 Grade 6
8. Alloy Steel Seamless Tubes as per ASTM A213 Grade T5/T9/T11/T12/T22/T91
9. ERW Black Pipes as per IS:1239/I, IS: 3589 Grade 330 or Grade 410
10. Galvanised Pipes as per IS:1239/I
11. Square and Rectangular Steel Pipes as per IS: 4923
12. ERW Boiler Tubes: BS 3059, ASTM A 214
13. Air Pre Heater Tubes to BS: 6323 PART V
14. Hydraulic Tubes to DIN 2391 ST. 35, ST. 45 & ST. 52
15. Seamless Heat Exchanger Tubes ASTM A 179
16. CDW TUBES IS: 3074 or BS 980
17. CRCA ERW Tubes to IS 3601 OR IS 3074
18. Stainless Steel Electro polished Pipes Manufacturer/Supplier
19. Alloy Steel Fittings Manufacturer – ASTM A234 WP5, P11, P22, P91

Shijiazhuang Jintai Purification Equipment Co., Ltd was founded in 1994 (reformed from a state-owned enterprise to a private limited liability company in 2004), located at No.69, Tiangui Street, High-Tech Zone, Shijiazhuang , Hebei Province.

The company has been committed to the development of metal porous materials and related technologies and applications. As early as more than 20 years ago, Jintai began to focus on the development and production of metal porous powder sintered filter elements. It has 15 invention patents and utility model patents. It has been a high-tech enterprise and has passed ISO9001 quality management system certification. After more than 20 years of technical accumulation, Jintai can now provide customers with a variety of product materials and specifications to meet customer needs.

The company’s business covers all provinces in China, and some products are exported to Germany, Italy, Spain, India, Taiwan and other places. Some large domestic companies have designated the company’s products. The company’s products mainly include titanium filter, stainless steel filter, sparger, filter, filter device and system, sheet and disc, saucer-shaped filter disc, aeration ring and so on. Products are widely used in medicine, metallurgy, petroleum and petrochemical, fine chemicals, food and beverage, air purification, electronics industry, textile industry, water treatment and other fields.

Our website: http://www.jintaiporous.com

CRS is a leading manufacturer of thermit welding materials in China, we have more than 30 years experience of designing thermit welding to the rails. Focusing on rail welding used for railroad, metro, tram, crane rails, turnel construction and maintenance.

We have production area of 2500 square meter, with fully automated batching system, sand mould automatic production & drying machines, equipped with full range of raw materials and welding joint testing equipments. Rail aluminum thermit welding material has been promoted and well applied in the railway lines such as the Beijing-Shanghai high-speed railway line, Jinqin passenger line, Daqin line, Tong-Rang line and Tong-huo line. Materials have been exporting to Australia, Indonesia and other countries many years, the products have won praise.

CRS possesses a qualified team of technicians and engineers who have been improving the quality and performance of products, Certified to the ISO9001:2000 standard, CRS’ welding products have been supplied to a wide range of customers worldwide. Thermit products have been passed Chinese rail welding standard TB/T1632-2005 test, Railway Ministry of China, as well as Australia standard AS1085.15-1995 test, Indonesia welding joint inspection test, Taiwan SGS quality inspection test. We are ready to provide technical & operation training, qualification and certificate for customers to ensure a standardized quality and performance of the welding products.

Our website:http://www.railweld.com.cn

Our factory is an enterprise manufacturing pipe fittings for more than 30 years. It is supplying Malleable iron fittings, Ductile iron fittings , Gray iron fittings and other steel products, with long history and unchanging faith of producing high quality products.

Main products：Malleable iron pipe fittings, Tube clamps, Air hose couplings, Camlock couplings, Carbon steel pipe nipples, Electric power fittings, Steam couplings, Gas meter connectors etc.

8. Founded in 1986, Covering 12,000 square meters, having more than 200 workers. We have a registered capital of 8.88 million, and the annual export volume of 10 million USD.
9. As a high-tech enterprise, we have our own R&D team, which can open molds through samples or drawings provided by customers, and even assist customers in developing new products through functional descriptions.
10. From purchasing material, casting, annealing, trimming, galvanizing, machining, packing, to exporting, have formed stop production system.
11. Various casting techniques: Currently 90% of the products have been changed to coated sand production. And equipped with coated sand production line, which can control the quality requirements of coated sand, and coated sand buried box casting line, further improve the quality of products. Most suitable casting way can be defined according to any products.
12. casting surface: our own researched prescription of sand and mold design is used, there’s no joint line, no shift, no sand inclusion, no crack on products, we will satisfy every client.
13. Material assurance: on –the –spot sample analysis+ chemical composition analysis after casting, double tests to guarantee stability of material. Electric heating automatic temperature control equipment can precisely control the furnace heats uniformly to ensure product are with the same tenacity.
14. Surface treatment: self-color + rust preventing oil, electroplating, hot dip galvanizing, first electroplating and then hot dip galvanizing, first electroplating and then backed galvanizing, first electroplating and then plastic spraying. Different products need different surface treatment, best surface treatment can be defined according to different products.
15. Machining technique: we have professional threading machines and CNC lathes to make threads, threads are 100% within specified scope of gauge and plug gauge, included angle of threads is within 90°+-0.5°. High efficiency and high quality producing way make our products have more market value.
16. Our certificates: Our factory passed TSE for Turkey, INMETRO for Brazil, and CE, ISO9001:2008, IQNET etc.
17. Our clients: Our factory is cooperating with many well-known enterprises, main market for malleable iron pipe fittings is Europe, main market for pipe clamp fittings is U.K., and main market for air hose couplings is USA. There’re also many different kinds of products for specialized application, and are very advantageous in their fields.

Our website:http://www.donghuancast.com

Sambhav Metal are Manufacturers, Suppliers, Exporters, Traders, Stockists and Dealers of Stainless Steel Pipes and Tubes, Carbon Steel, Alloy Steel, Duplex Steel, High Nickel Alloy, Inconel, Monel, Hastelloy, Alloy 20, Copper Nickel, Stainless Steel 304 Seamless Pipe, SMO 254 Pipes, Tubes, Stainless Steel Pipe Fittings, High Nickel Alloy Flanges, Stainless Steel 316 Seamless Pipe, Pipe Flanges, Round Bars, Stainless Steel 304 Butt weld Fittings, Rods, Sheets, Coils,  Plates, Stainless Steel 316 Buttweld Fittings in India.

Our Products

Pipes & Tubes – Stainless Steel, Carbon Steel, Duplex Steel, Alloy Steel and High Nickel Alloy.

Pipe Fittings – Stainless Steel, Carbon Steel, Duplex Steel, Alloy Steel and High Nickel Alloy.

Flanges – Stainless Steel, Carbon Steel, Duplex Steel, Alloy Steel and High Nickel Alloy.

Fasteners – Stainless Steel, Carbon Steel, Duplex Steel, Alloy Steel and High Nickel Alloy.

Round Bars & Rods – Stainless Steel, Carbon Steel, Duplex Steel, Alloy Steel and High Nickel Alloy.

Sheet, Plate & Coils – Stainless Steel, Carbon Steel, Duplex Steel, Alloy Steel and High Nickel Alloy.

More info visit us http://www.sambhavmetal.com

We, Centerway Steel Co.,Ltd, one stop supplier for steel pipes, steel plate, fittings and flanges, valves, round steel, structural steel in China since 1996.
Welcome to contact us for competitive price.