The Wuhan Yinyu Investment Casting Co., Ltd. is a specialized leading enterprise manufacturing various high quality investment castings of carbon steel, alloy steel and stainless steel, which are applied for lost wax method with colloidal silica binders. Our company has advanced manufacturing equipment and technology. Our firm covers an area of 25,974sqm and has 170 staff.

Our company can produce five hundred tons of precision castings per year. The products are sewing machine parts, pneumatic tool parts, plier tools, mining drill bit bodies and machine parts and hardware accessories. We can produce parts and fittings of high precision in measurement, of good surface finish and of complex form according to the requests of customers. The dimension tolerance of parts is in line with Grade CT4-CT6 as well as German VDG P690 or DIN ISO2768 standards. Casting weight is from 5g to 5kg, and surface fineness is from Ra 3.2 to 6.3. The length of castings is less than 350mm.

Our company possesses the rights of independent import and export and passed Quality Management System ISO9001:2000 Certification in Aug. 2002. We also cooperate with some scientific research institutions, such as China Foundry Association and Huazhong University of Science Technology.

Our company constantly improves the production technology and tries the best to meet the requests of clients. At present, our products are exported to Japan, the USA, Germany, Italy, Canada, Switzerland, Spain and other countries and regions and gain favorable comments of the foreign clients.