The company is specialized in manufacturing DHT bit, DHT hammer, air-leg rock drill, product quality has reached advanced level in the industry.
 
News
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  Zhongrui will attend MINExpo INTERNATIONAL 2016
[2016.03.11]
  Zhongrui attended AIMEX 2015 successfully
[2015.09.10]
  Zhongrui will attend AIMEX 2015
[2015.06.06]
  Bauma China 2014
[2014.09.15]
  ISO9001 annual examination
[2013.07.23]
  Warm congratulations to Weifang Zhongrui Construction Machinery Co., Ltd. for successful revision of website!
[2010.03.06]
  The Company participated into ‘the 6th China International Patent & Famous Brand Expo’ in Wuxi on behalf of Weifang City.
[2009.11.07]
  The Company’s ‘High-speed Rock Drill for Tunnel Boring’ was listed into 2009 Weifang Key Technical Creation Project.
[2009.11.05]
  The Company was chosen as ‘Weifang Enterprise Technical Center’ by Weifang Economic Trade Commission.
[2009.10.12]
  The Company’s Zhongrui Brand rock drill was honored as Famous Brand in Chinese Rock Drill Market.
[2009.09.15]
  The Company’s mechanical products were successfully exhibited in the 15th Shandong-Taiwan Economic Trade Fair & Cross-Straits Manufacturing Expo.
[2009.09.01]
  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.
[2009.08.11]
  The Company’s another four utility model patents were authorized.
[2009.07.24]
  Weifang Zhongrui’s revised website was officially opened up on July 10, 2009.
[2009.07.10]
  The Company’s three projects passed the acceptance check by Department of Science & Technology of Shandong Province and Shandong Economic & Information Technology Committee.
[2009.05.10]
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Add:No.3701, Zhuangjian Road, Kuiwen Economic Development District, Weifang City, Shandong Province, China