199 huaxi road, Jinqing,Taizhou, Zhejiang, China

Our factory is specialized in producing "Kaiyu" brand mine percussion bit with 35 years manufacturing history. It is one of the largest drilling percussion bit industry in our countr...

Economic Development Zone, Liaocheng, Shandong, China

Jinquan (Golden Spring) Rock Drilling Tools Co., Ltd. was established in 1984, located in Economic Development Zone Of Liaocheng, Shandong Province, China. We are one of the biggest production bases o...