NO.3, South Industrial Zone of Nanshahe, Songzhuang Shuiyu Taiyuan, Shanxi
Our company mainly produces drilling tools: square and hexagonal kellys, heavy weight drill pipes, spiral non-magnetic integral all kinds of collars, lifting subs, non-excavation tools, cross-over many high-precision manufacturing inspection ...
drill collar, spiral drill collar, non-magnetic drill collar, square kelly, hexagonal kelly, drill pipe, drill bit body
