Our Story
Changzhou Kong Yun Precision Tools Co., Ltd. is abbreviated as KYTOOLS. Our tools are marked with the KONG YUN trademark, also written as KONGYUN. Our range includes carbide end mills, drills and reamers.
KY Tools was founded in 1998 in Changzhou, China — a city with a long tradition of precision manufacturing. What started as a small workshop with 10 machines has grown into a specialist carbide tooling manufacturer trusted by engine builders, textile machinery makers, and mold shops across Europe, North America, and beyond.
We don't try to make everything. Our focus has always been deep hole internal coolant drills and difficult custom carbide tooling — the jobs that demand tight tolerances, unusual geometries, or materials that standard catalog tools can't handle. That specialization is why customers come to us when other suppliers say it can't be done.
