Shenzhen Spark Optoelectronics S&T CO.,LTD, a high-tech enterprise devoted to developing, manufacturing and marketing, We are specializes in outdoor / indoor LED full color display, gas price display , indoor/outdoor moving sign traffic signal ...

We are professional bus components supplier in China, and have 20 years experience working bus&coach accessories filed.In chinese domestic market, we the authorized to brand builders such as Yutong Bus, King long Ankai Bus...We likely cooperate with ...