ZHENGZUAN.ZHENGZUAN was founded in 1997, dedicated to providing high-end precision cutting tools and machining technology solutions for the global manufacturing industry. We create sustained value for our customers by upholding core values of quality assurance, customer-centricity, and innovation leadership. ZHENGZUAN currently offers over 5,000 types of super-hard cutting tools, including six major product series: Standard Series, Solution Series, Special Tools Series, honing series, natural/synthetic diamond series, and wear-resistant series. These comprehensively cover finishing processes such as turning, milling, boring, drilling, reaming, and honing, serving high-end precision manufacturing sectors including automotive, civil aviation, ultra-precision machining, precision electronics, and medical devices. Key products include: milling, reaming & boring, drilling, turning & grooving tools, standard inserts/ECO, threading tools, WANJIA® natural and synthetic diamond tools, honing heads, honing rods, inspection rings, tooling systems, and tool holders.