Guangzhou Chengguang Technology Co., Ltd. is a professional manufacturer and supplier of LED working lights and LED lamps. We comply with ISO9001:2000 Quality Management System Standard. Most of our products have CE, RoHS and TUV certificates. We have a powerful LED application product research & development team consisting of optical, electrical, thermal and structural experts. We have invested millions of dollars in building the automatic static-proof and dustproof production workshop. With exact Optical and Thermal design, we are taking the leading position in the industry of LED fluorescent lamps, LED light bulbs and LED high power spot lamps. We are a professional Manufacturer, Supplier and Exporter of LED Lighting in the field.