welcome to Jingwei Drilling Machines & Tools Production Co.,Ltd. We are specialized in manufacturing of pdc drill bits and related “down the hole” products for mining, oil gas, construction, geotechnical water well ...
Address：No.70 Jiushi Road Xian, ShanxiiBusiness type：Manufacturer
Address：Hejian city, Cangzhou, Hebei, ChinaBusiness type：Exporters