About the foundry
Silicon-sol investment casting in Zhejiang, China
Zhejiang Hongjin Metal Technology Co., Ltd. is a foundry focused on silicon-sol investment casting for overseas buyers and engineering teams.
Company background
A dedicated casting operation built around one process
Our foundry was established in Zhejiang with a clear focus on silicon-sol investment casting. Rather than spreading across unrelated metal work, we concentrate our workshop on this method so that each stage, from pattern preparation to finishing, is run with consistent attention.
We organize production around export requirements, working from engineering drawings and supplying the documentation overseas buyers need to evaluate a casting partner. Our aim is steady, reliable supply and clear technical communication.
Operational areas
From wax pattern to finished casting
Three core areas carry each job through the process: pattern preparation, shell fabrication, and casting finishing.
Wax pattern preparation
Wax patterns are prepared and checked against the supplied drawing before they move to the next stage, so dimensional intent is set at the start of each job.
Shell fabrication
Silicon-sol slurry and stuccoing build the ceramic shell layer by layer, with each coat dried under controlled conditions before the next is applied.
Casting finishing
After shell removal, castings are cleaned and finished to the requirements of the drawing, with inspection before dispatch and documentation prepared for export orders.