After more than ten years of rapid and stable growth, the company has developed into a comprehensive enterprise that sets the research, production and trade of decorative architectural glass, deep processing glass and top grade room mirror in integration.

PVB interlayer for laminated glass and auto glass.

PVB film manufactors in China.

We OYPDLC Team (Zhiyuan Building Materials Co., Limited) has been focusing on R&D Switchable PDLC(polymer dispersed liquid crystal) film and glass technology. Our main products: self-adhesive smart film, lamination smart film and swithcable smart glass.

Longyang Glass is now a leader company in the production and distribution of low iron glass, tinted glass, clear float glass, reflective glass, hard coated low-e glass, soft coated low-e glass, patterned glass and deeply processed glass such as toughed glass, laminated glass ,IGU .

Manufacturing, processing and installing building glass with 15 years experience.

We produce laminated safety glass with EVA safe film, laminated glass with transparent, milky color and decorative films, laminated safety glass tempered all thickness (65mm), float glass, decorative glass.