Beizi Institute participated in the completion of the first domestically designed BOPP production line in 1985 and has been engaged in the research and manufacturing of biaxially oriented film production lines for more than 30 years. We have a complete team of mechanical and electrical designers, as well as a skilled installation team. We have provided users with nearly a hundred bidirectional and unidirectional film stretching production lines. We have accumulated rich experience in design, manufacturing, installation, debugging, and electrical control, and are in a leading position in China.

We can provide customers with standard or customized biaxially oriented film production lines with various specifications and speeds according to their requirements. Including production lines for polypropylene film (BOPP), polyester film (BOPET), nylon film (BOPA), lithium battery separator, heat shrink film (BOPETG), optical film, and unidirectional lithium battery separator.

Main achievements

Anhui Tongfeng Electronics 5100mm capacitor film high-speed production line

Nanyang Technology (Dongxucheng) BOPET Thick Film Production Line

Two Ningbo Changyangguang Film Production Lines

Ningbo Qinbang BOPET Thick Film Production Line

Zhongke Technology (Green), Cangzhou Mingzhu, Yiteng New Energy, Dadongnan, ZTE New Materials, Anruida, Fushen New Energy and other mainstream diaphragm enterprises have a total of more than 70 production lines.