Xi’an ZZ Top Oil Tools Co.,Ltd as head office registered in Xi’an City in 2010, and in 2016, ZZ TOP OIL TOOLS enlarged the downhole oil tools factory and named Baoji Keyuan Petroleum Equipment under ...
General Quality Control Process: 1.Quality control of the raw material * we would do the comprehensive assessment of the supplier strictly according to technical requirements .Most of our suppliers ...
Address : No.25th Gaoxin6th Road, Xi'an, China
Worktime: 9:00-18:00 (Beijing time)
Email : sales@zztopoiltools.com
