Q.C. Witness is OEM specialist in aluminum alloy & zinc alloy de-casting. Diversified weights ranging from 1g to 3,500g and precision up to ±0.005mm. Capable of CNC processing, drilling & tapping, outer diameter grinding, vibratory grinding, sandblasting, manual polishing grinding, multi-color electroplating, anodizing treatment, nano-coating, chromate-free surface treatment (conforming to RoHS), in-house assembly lines available to reduce outsourcing procedures for fast delivery and minimized stocks.

・Service item:

Business line of gardening tool, carpentry tools, pneumatic tools, pressure machinery components, machinery hardware, mechanical products, sports equipment, and industry parts and so on.

・Manufacturing Materials:

Die-casting with JIS system for metallic alloy type , such as ADC3 , ADC7          ADC10 , ADC12 , etc.

Die-casting with ASTM system, such as A380.0......

Gravity-casting with ASTM system, such as 356.0 , A356.0 …

Special demand of metallic alloy required by customers

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