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