Syhdee specializes in R&D, manufacturing , marketing of high efficiency LED illumination. Established in 2004, Syhdee Manufactory Co., Ltd. is the subsidiary of Shenzhen ShiYuHong Optoelectronics Technology Co., Ltd. It is one of the leading manufacturers which is specialized in research, development, manufacture, marketing and after-sales service of led products. It is occupied by 4000 square meters, with over 100 staff. It is located in the Chinese led center- Shenzhen Fuyong Town, about 40 minutes drive from Hong Kong, and 15 minutes drive from Shenzhen Airport. As a professional manufacturer of LED tubes, we boast of our experienced and professional Chinese and USA R&D Engineers, who have been worked in the led field for many years. We are also proud of our professional sales team who provides professional sales and after-sales service to our cherished customers at any time. Our QC staff monitors the entire production process to ensure that our product quality meet your requirements. We use advanced temperature testers, luminance testers and photoelectric instruments to conduct strict testing such as voltage withstand, shock proof tests, etc. All of our products comply with UL, CE, FCC, PSE, TUV standard and the RoHS directive. Under the common efforts of all staff, we fully believe that Syhdee will make great contribution to the globe for carbon reduction and energy-saving.