Using double-layer electroplating sand process, South African drilling powder, sharp and wear-resistant
Selection of high toughness, micro-particle tungsten steel, the whole manufacturing seamless, high concentric and no beating
3-layer electro-sintering process, sharp and wear-resistant
The needle handle is made of stainless steel.
Sand Plating by Double Layer Electroplating
Sand Plating by Double Layer Electroplating
Sand Plating by Double Layer Electroplating
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