henan zhongyuan heavy forging co.,ltd.--raise boring drill rod

Henan Zhongyuan Heavy Forging Co., Ltd. (HHF) is a national high-tech enterprise. There are four production branches for forging, heat treatment, petroleum equipment, and mechanical processing, a provincial oil drilling tool stabilizer engineering technology research center, a physical and chemical laboratory, and a municipal technology research and development center. The company is an American API Q1 quality system certification and API 7-1 drill stabilizer drill collar logo certification enterprise, and it has obtained CSSC quality system certification and ISO 9001:2008, ISO/TS29001 international quality system certification. HHF is mainly engaged in the research and development, production, sales and service of petroleum equipment and large precision forgings. It is one of the largest and most professional drilling tool stabilizer manufacturers in the country. The company's drilling tool stabilizers, non-magnetic drilling tool stabilizers, drill collars, non-magnetic dri...