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Certification
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  Longhe pays more attention to product innovation and has 20 patents, including 5 invention patents and 15 new patents;
​  All production lines have adequate quality control;
​  QA/QC inspectors work independently from the production line;
​  Longhe conduct random product inspections after final packaging with clear standard and written inspection records.
Quality Management System Certification
Patent Certification
Certification
Shandong Longhe Energy-Saving Technology Co.,Ltd.
is professional manufacturer in building materials and prefabricated houses.

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  +8615762247126
  erika-ding@longhebuilding.com
 +86-535-5962555
  +8615762247126
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