Feilong Retop Rock Bit Manufacture Co., Ltd was eatablished in 1983, with an area of 2700 square meter the industrial park and more than 20 years&＃039; experience drilling tools industry.We have our own international trade company including a branch office Dubai UAE. Strictly complying ISO ...
Telephone:86-1063405086
Address:Guanganmen Wai street, Beijing, Beijing, China
Hebei Ranking Bit Manufacture Co,LTD is mainly engaged in the development of various series bits,development,production and sales. company has developed mass-produced products 3 inches to 26 steel rock bit,various types PDC bits,core bit production processing assembly 0.6m 3m large ...
Telephone:0086-317-5581117
Address:Hejian CityHebei ProvinceChina Cangzhou, Hebei