Heiner Co., LTD has been engaged in the manufacture of cutting tools and created brands â??heinerâ?? . our Company specializes in high quality machine tooling & accessories & carbide end mills & milling throw away type tools & Turning throw away type tools such as ER collet chucks , SC32/42 POWER milling chucks , face mill holders , mores type holders , end mill holders, tap holders , collet , clamping nuts , pull studs , z-zero setter , electronic tool length setter , electronic edge finder â??with LED and BEEP , rotary-edge finder , Turning holders , boring bars , thread holders for grooving , milling and related parts, Rotary Joints¼Œ(Rotary Unions)¼ŒVDI Driven Tool holders¼ŒSwival Unions¼ŒGun Drill Coolant Systemetc. We enable our customers to lower costs and increase efficiency; we develop and produce super power grip SK precision collet milling chuck for heavy duty operations, with a run out accuracy a steady 0.005 mm. We also make ZMAC adjustable balance cutter to match modular taper shanks, with choice of boring from25 - 1000 mm. Quality and service are valued most in our Company every product is tested by the most precise measuring instruments to meet the strict requirements in the quality control system. it is expected precise , high speed and diversified products of supreme quality can meet our customers` demands so as to reduce the cost for the clients and to increase efficiency . Very much want to be your response. I wish you a happy frame of mind!MR.Shi YunfengGeneral ManagerHeiner Co., LTDWeb:www.heiner-tools.deTEL:0086-575-86012280FAX:0086-575-86012281