Address: 16 Yulan Street,High-tech Industrial Development Zone, Zhengzhou, China | ???? 86 15538189155 | ???? [email protected] | For over 22 years, FOCO Induction (Since 2003) has specialized in the surface hardening of machine guide rails for lathes, milling machines, and planers. Our high-frequency induction heaters are engineered for the hardening of internal walls of... http://www.focoinduction.com