Wuhan Yinyu Investment Casting Co., Ltd. is specialized in
manufacturing various high quality carbon steel , alloy steel ,
stainless steel investment casting parts. We adopt lost wax
investment casting process with colloidal silica binder. Our
company has many advanced imported equipments for investment
casting. Yinyu covers an area of 25,974 m2, and has a total of 170
Our production capacity can be five hundred tons per year. The
products can be applied into many different industrial fields such
as sewing machine parts, pneumatic tools parts, pliers tools,
mining drill bit body ,machine parts and hardware accessories ,etc.
We can produce parts and fittings of high precision in dimension ,
of good surface finish and of complex shape as per customers'
requirement. Our Casting Tolerance is ranged from CT4-CT6 as well
as meets German standard of VDG P690 or DIN ISO2768. The Casting
weight we are available is from 5g to 2kg , and surface roughness
is Ra 3.2~6.3. the max length can be 350mm. Our company possesses
the rights of imports and exports independently, and has awarded
Quality Management System ISO9001:2000 Certification in Aug 2002.
We also cooperate with some domestic scientific research
institutions, such as China Foundry Association and Huazhong
University of Science & Technology.
Yinyu constantly improves the production technology, and tries our
best to meet the requests of clients. At present, our products are
mainly exported to Japan, U.S.A., Germany, Italy Canada,
Switzerland, Spain and other countries for years, and gain many
favorable comments from the foreign clients.