Weilly Diamond Industrial Co., Ltd, (WDI), has the expertise in developing, manufacturing and marketing both natural and polycrystalline diamond wire drawing dies. In addition to uses in wire drawing, applications of diamond dies offered by WDI have been successfully broadened to cover other areas such as wire guiding, wire stranding and extrusion.

WDI, founded in May 1990, is a company made up of a team with the sophistication and experience in diamond-based tool technology accumulated in more than 12 years. Since the team is so well versed in every aspect of this profession, WDI is growing fast and becoming one of the leading diamond die makers in Taiwan. The company has grown from a local factory into its current status as a modern manufacturer of wire dies with superb quality, technology and production capabilities to satisfy the needs and requirements of customers in worldwide marketplaces. It has built up a solid reputation among all customers in Japan, Mainland China and other Pacific Rim countries.
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