澳门金沙场4136澳门金沙场4136
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The company is specialized in manufacturing DHT bit, DHT hammer, air-leg rock drill, product quality has reached advanced level in the industry.
 
Tapered rock drill bits
Chisel Bits
Chisel Bits
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Add:No.3701, Zhuangjian Road, Kuiwen Economic Development District, Weifang City, Shandong Province, China