Dongying Haihe Machinery Co., Ltd --- located in Dongying Shandong China, is a professional manufacturer of investment castings, lost wax castings or precision castings. And both of sodium silicate and silica sol process had been adopted. We mainly produce stainless steel castings, carbon steel casting and alloy casting.
There are 300 employees in our company now.We own 3000 square meters plant area.The yearly output of various casting is above 4000 tons .With high quality and good reputation,we have established good relationships with many customers from USA,Canada,Holland,Sweden,Italy and NewZealand etc.And our products have got ISO9001:2000 quality system certification.