YIQUAN company has 20 professional quality control person.
Strictly control the quanlity to reach customer request.
1. The Certicates of Top Ten Well-know Brands of China Plastic and Building Material Industry
2. The Certicate of Reconmmend Product of Chinese Engeneering Construction
3. The Insurance Certicate from Chine PICC
4. The certificate of The First Select of Green and Environmental Protection