EST Tools Co., Ltd. provides precision cutting and measuring tools in China and internationally. The company offers round and form broaches; cold forming tools; precision measuring tools; gear cutting tools; custom drilling and milling cutters; annular cutters; and thread tools and thread gauges. Its products are used in automobile, wind turbine, civil aviation, construction machinery, automation and robotics, high-end equipment, rail transit, heavy truck, steel structure, and power plant equipment industries. The company was founded in 1997 and is headquartered in Jiaxing, China.