Gaoan Hantang Gaojing Optoelectronics Co., Ltd. is one of the leading LED manufacturers in LED industry.With 10 years experience in this industry,we devote ourselves to producing various led display modules,advertising led displays,led display board,led lantern... 

We are manufacturer with CE,ROHS,C-TICK,ISO certificates,distributors and trading dealers are our important business partners.We work together to develop led products market all over the world . 

Invitation to you,welcome to join in us !