Zhoushan Zhongyang Screw Manufacturing Co., Ltd. [China]

Detailed Product Description

We offer srew and barrel accessories, srew and barrel tips, tips for screw and barrel

Key Specifications/Special Features:

• Material: alloy-steel of high-quality
• Heat treatment
• Nit-riding treatment
• Electroplated hard-chrome finish
• High-frequency quenching
• Spray coating bimetallic alloy