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Solid carbide drill bits
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Internal cooling step drill
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No. 277 Shishan Road, High-tech Zone, Suzhou, China
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Service Hotline：15365387669
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About
abouts
workshop
team
Product
Nanofine particles
Ultrafine particles
Ultrafine
Copper&aluminum
Stainless steel special knife
other product
News
Industry information
Company news
Common problems
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