Dongying Haihe Machinery Co., Ltd located in Dongying Shandong China is a professional manufacturer of investment castings. We mainly produce stainless steel castings, carbon steel casting and alloy casting. Please click here to see the component of the metal. And both of sodium silicate and silica sol process had been adopted.We also have great machining ability and can provide machining service of mirror polishing, electronic polishing. Above all, we have many advanced CNC machining centers, CNC turning centers, CNC milling machines and CNC machining lathes.

We can offer your demand according to your detail specifications. Our products include kinds of flanges, valves, marine hardware, construction hardware, house hardware, automobile part, motorcycle part, hinge, devices for hydraulic press and for oil extraction, cross fitting, golf head and so on.

With high quality and good reputation, we have established good relationships with many customers from USA , Canada , Holland , Sweden , Italy and New Zealand . And our company had got ISO 9001 quality system certification.

Mature technological process, rich experience, professional large scale production, effective cost management made us possess the strong comprehensive competitive capability better than other manufactory in this vocation, all these not only show in our high quality, the most attractive price also is our treasure.

We treasure each and every possible opportunity and see every customer's satisfaction as our goal. We always stick to our original beliefs and offer all clients the best service. From our receipt of your purchase order, we track the progress of your sample through several quality assurance steps, to ensure that your products are produced accurately and on time, every time. Strict standards of quality control are applied from selection of raw material to final packing and shipping.

Features of our company:

1. A professional manufacturer and exporter of precision castings in China .
2. Products: Impellers, pump body, valve, filter fittings, marine hardware and pipe fittings etc.
3. Material: stainless steel, alloy steel, carbon steel.
4. The annual production is 1500 tons which will certify that we can deliver the goods in time.
5. Many advanced equipments: Such as Spectrometer imported from German for chemical composition analysis and three-dimensional test machine imported from Swiss for dimension inspection. Besides, there are numerous advanced equipments in the precision machining workshop. Relying on our own factory, you must have the highest quality product.
6. Establishing in 1988, we have more than 17 years manufacture experience, a group of skilled workers, veteran engineers. So we can supply you with the strongest technical service.
7. Major clients overseas: USA , Canada , Holland , Sweden , Italy and New Zealand etc.
8. ISO certification: Our company has got the certification of ISO9001, We are also a member of China Foundry Association.