Various casting techniques

hand molding, Semi-automatic machine molding, automatic machine molding, precoated sand core Semi-automatic machine molding, coated sand core automatic machine molding, fully coated sand modeling. Most suitable casting way can be defined according to any products.

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.

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.

Our certificates

Our factory passed TSE for Turkey, INMETRO for Brazil, and CE, ISO9001:2008, IQNET etc.


Look for better pipe casting fitting supplier?

Donghuan Casting is professional to produce the galvanized and black malleable iron pipe fittings with SDH brand that can be divided in three standards,American standard, DIN standard and British standard.

State of the Art Equipment and Reliable Quality Assurance!

We have established the quality system conforming to IS0 9001: 2008 and have had the certification of CRN in Canada, European of CE and Turkey of TSE. The standard are ASTM -197,ISO 7-1,DIN EN0242,SI 255, NBR 6943.

All the goods conform to the international standar.

1. Material:KT330-08.2.The thickness of galvanized: >70μm.3. The thread accord with the ring guage and the plug guage.4.The angle of thread is in the range of 90°+ - 0.5°5. The coaxial degree of Union is high.

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Do you like casting it? We are very professional, let's discuss it together.

About Us

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.

  • We work with many large companies, you know them?
  • We work with many large companies, you know them?

Customer review

  • We received the goods, and looks very good, and now I am preparing a new order of two containers, please tell me the fastest delivery?

    Nikola Bujukliev

    Nikola BujuklievOperation Manager

  • You good product quality so that we can better sales this year, our sales of malleable iron pipe fittings products increased by 30 percent, next year there will be more growth. I hope we have a more long-term cooperation.

    Michael Doyle

    Michael DoyleSales Manager

DongHuan Malleable Iron Pipe Fittings

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