Shijiazhuang Donghuan Malleable Iron Castings Co.,ltd

Shijiazhuang City,Hebei province,China

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


  1. 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.
  2. 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.
  3. From purchasing material, casting, annealing, trimming, galvanizing, machining, packing, to exporting, have formed stop production system.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.
  9. Our certificates: Our factory passed TSE for Turkey, INMETRO for Brazil, and CE, ISO9001:2008, IQNET etc.
  10. 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:


Donghuan 7 months ago
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