• Qingdao Haitongda Special Instrument Co., Ltd

    No.320, Jiushui East Road, Qingdao, Shandong, China,266199

    Ourfactory was founded in 1978.We\\\'re the Manufacturerin China which professionally producesthe Drilling Fluids Analysis Instruments and CementTesting Equipment.To compare with other trading company,we canbring you ...
  • Zhejiang Chenxin Machine Equipments Co., Ltd.

    Jingkou Industrial Zone, 104 National Road, Shangyu City, Zhejiang Province. China

    Zhejiang Chenxin Machine Equipments Co., Ltd. deals with the road building material testing instruments. We integrate production, sales, design, scientific research and service. The company has been laying great importance to product quality ...
  • shangyu geotest equipment co.ltd

    Shaoxing, Zhejiang, China,