RST VALVE CASTING RAW MATERIAL QUALITY CONTROL
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- Issue Time
- 2019/03/20
Summary
Before producing products, we must inspect our casting raw materials. We must ensure the valve surface is smooth, no burr , no sand hole, with correct dimension and material content for Physical & Chemical Test.
RST VALVE
12’’150LB Carbon Steel(WCB) casting body
Before producing products, we must inspect our casting raw materials. We must ensure the valve surface is smooth, no burr , no sand hole, with correct dimension and material content for Physical & Chemical Test. We have our own quality control team to do this things to ensure quality.
