The company is specialized in manufacturing DHT bit, DHT hammer, air-leg rock drill, product quality has reached advanced level in the industry.
 
Support
  YT28 Rock drill (failure and troubleshooting)
[2010.03.05]
  Technical support for impactor
[2010.03.05]
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All rights reserved Shandong Zhongrui Construction Machinery Co., Ltd. Qihua Network To provide technical support
Add:No.3701, Zhuangjian Road, Kuiwen Economic Development District, Weifang City, Shandong Province, China