The company is specialized in manufacturing DHT bit, DHT hammer, air-leg rock drill, product quality has reached advanced level in the industry.
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  Zhongrui will attend MINExpo INTERNATIONAL 2016
  Zhongrui attended AIMEX 2015 successfully
  Zhongrui will attend AIMEX 2015
  Bauma China 2014
  ISO9001 annual examination
  Warm congratulations to Weifang Zhongrui Construction Machinery Co., Ltd. for successful revision of website!
  The Company participated into ‘the 6th China International Patent & Famous Brand Expo’ in Wuxi on behalf of Weifang City.
  The Company’s ‘High-speed Rock Drill for Tunnel Boring’ was listed into 2009 Weifang Key Technical Creation Project.
  The Company was chosen as ‘Weifang Enterprise Technical Center’ by Weifang Economic Trade Commission.
  The Company’s Zhongrui Brand rock drill was honored as Famous Brand in Chinese Rock Drill Market.
  The Company’s mechanical products were successfully exhibited in the 15th Shandong-Taiwan Economic Trade Fair & Cross-Straits Manufacturing Expo.
  The Company’s project as ‘Research & Manufacture of Long-life High Pneumatic DTH Bit for Ground Heat Air Conditioner’ is listed into the 1st Batch of Shandong Provincial Technical Creation Plan in 2009.
  The Company’s another four utility model patents were authorized.
  Weifang Zhongrui’s revised website was officially opened up on July 10, 2009.
  The Company’s three projects passed the acceptance check by Department of Science & Technology of Shandong Province and Shandong Economic & Information Technology Committee.
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Add:No.3701, Zhuangjian Road, Kuiwen Economic Development District, Weifang City, Shandong Province, China