1. Using 20CrMo steel as raw materials, which are provided by domestic famous manufacturer; forging again and again to make forming, to make internal organization more tight, and increase products’ wear-resistance.
2. Using advanced CNC machine in strict accordance with products’ technical requirement to manufacture and ensure each position’s size which convenient to equip.
3. Having 13 years international advanced heat treatment technology, using carburization treatment on them, guarantees their surface’s thickness of carburized layer and hardness; meanwhile good core .
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