Shenzhen Grandyield Technology Co.,Ltd founded in 2014 is focusing on led horticultrue lighting products.with the profound understanding s of scientific know-how and innovative design.we develop and manufacture led systems from indoor sole source to greenhouse supplemental source. Our engineers and production line staff work closely together for high quality products. our products have obtained UL/CUL,CE and RoHS certificates with advanced technology in thermal management and spectrum control.