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The respective components of the precision tools manufactured by us represent one of the core competencies of WJH.

Our customers in this area come from sectors such as stamping technology, electrical engineering, semiconductors, injection molding, medical technology, machines and automotive.

Precision tools from WJH have the advantage of higher precision and longer service life, these advantages are based on the properties of the used material （1.3343、ASP30、ASP60、Carbide alloy、Ceramic material） and its own special surface treatment （PVD、CVD、DLC）.

​With our modern machinery (WAIDA grinding machine for optical curves、SARIX 3D Micro EDM Machining、WEDM、EDM）a high quality standard is achieved.

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• The tolerance of the square-shaped component: ±0.002mm

• The minimum diameter of the circular component:ø0.05mm, the tolerance:±0.001mm

• The minimum diameter: ø0.05, the tolerance:±0.002mm

• The surface roughness: Ra0.03