Yuansen Industries Co., Ltdhas been the pioneer in pre-insulated foam ducting in China.Yuansen Industriesis the first company in China to introduce the innovative and revolutionary foam based pre-insu...

No. 6-29-18, No. 1, Aoti Road, Jiulongpo Dist.

Chongqing Hanfan technology Co.,Ltd is one of the largest professional production plants of led lamp in China. Our company mainly produces led strips,led flood light,led high bay light,led tube light....