In order to guarantee the steady quality and the excellent mechanical value, we inspect the hook one by one by the magnetic powder inspection and inspect the mechanical value.
The nodular iron sandcasting ball valve compents involved from DN25 to DN125 and every component is inspected by pressure testing to avoid leaking. The material has approved and get the PED certificate.
Precision casting we use water glass, composite moniker and silicasol these three available crafts producing variety of castings, including carbon steel, alloy steel, stainless steel, etc. founding craft based on the principle of resin sand, producing all kinds of castings ADI, grey iron, cupper aluminium castings. die-casting crafts mainly produce all kinds of aluminum metal alloy die-castings.