Jiangshan OUPAI Door Industry Co., Ltd.
Add.: Yudashan Village, Yutou Town, Jiangshan City, Zhejiang Province, P. R. China
Tel.: +86-570-4690733, +86-570-4729330
Fax: +86-570-4728822

Most Stringent Quality Laboratory

OUPAI possesses the unparalleled physical and chemical property test laboratory and quality control center. The lab applies complete systematic quality control mode, strictly controlling every link. Our products will experience a series of rigorous tests including weather fastness, moisture content test, deformation test, etc.