   0086 15954994087  sharon@longhebuilding.com
Certification
You are here: Home » About Us » Certification
  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.

QUICK LINKS

CONTACT US

 +86 15954994087
 sharon@longhebuilding.com
 +86-535-5962555
 +86 15954994087
 
 +86 15954994087
 
 
 


 
Copyright © 2019 Shandong Longhe Energy-Saving Technology Co.,Ltd. All Rights Reserved.
Designed by SDZHIDIAN / Site Map