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- main tasks of the institute:
  2017-02-05 15:13:31
- the water conservancy and hydropower design institute established by huawei is an institution engaged in the research and design of rubber dams and pneumatic shield-type gates, with related qualification certificates and a professional rese
- quality control system
  2017-02-05 15:13:17
- 1.quality control system during the rubber dam bag production process, the rubber dam technical specification sl227-98 and rubber dam hg/52886-1997 are implemented strictly. general manager leads all departments, divisions and workshops to

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