Address: 16 Yulan Street,High-tech Industrial Development Zone, Zhengzhou, China | ???? 86 15538189155 | ???? [email protected] | FOCO Induction (Est. 2003) supports global infrastructure with 22 years of experience in heavy metal processing. We specialize in the hardening of concrete pump tubes and the inner wall treatment of cement pipes. Our high-frequency induction ma... http://www.focoinduction.com