As a professional China investment casting vendor, Qingdao Refidus is supplying precise OEM investment casting parts for global valuable customers with strict quality standard.

Investment casting is a technology which producing complex shape and high surface quality parts. We are providing two different quality and cost level investment casting technologies-silica sol investment casting and water glass investment casting.

Our silica sol and water glass investment casting parts are used in various kinds of applications, such as farm machinery parts, chemical machinery parts, medical equipment components, auto parts, decorative accessories, etc.

Our investment casting tolerance is according to Germany investment casting tolerance standard VDG Merkblad P69 D1 level or CT5 Per ISO8062(GB/T6414).  Surface roughness is Ra3.2.

Besides the basic casting process, we also provide various surface treatment and deep machining service.

Investment casting process