+86-0580-8052088
+86-13505800981
No. 20, Liguan Road, Jintang Town, Dinghai District, Zhoushan, Zhejiang, China
φ45/90-φ92/188
Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
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China Conical Twin Screws ManufacturersTechnical Support: HWAQ