Shenzhen kaiqiangli Technology Co., Ltd. is a strong production of high-tech products enterprises, have long been engaged in military and product development, technology team! Main are hydraulic drilling machines, fracturing machine, splitting carved cutting, expansion, jacking stone ...

Shandong Zhaoxin Oil Tools Co., Ltd. of Dongying City is located in the hinterland  beautiful Yellow River Delta --- normally called “ Petroleum City”. The company, which conducts scientific research, development, manufacture, sale and after service,  one enterprise ...