Certificates

  • China Shandong Tonglida Heavy Industry Machinery Co., Ltd. certification
    ISO9001
  • China Shandong Tonglida Heavy Industry Machinery Co., Ltd. certification
    High-tech Enterprise
  • China Shandong Tonglida Heavy Industry Machinery Co., Ltd. certification
    Patent certificate:Condensate iron removal and filtration device
  • China Shandong Tonglida Heavy Industry Machinery Co., Ltd. certification
    Patent certificate: Automatic sodium ion exchanger
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