Established in May 2007, Shenzhen Syhdee Manufactory Co. Ltd., (ShiYuHong) is one of the leading manufacturers specialized in LED lights production, R&D, and sales. Its headquarter was situated in Nanshan Hi-tech Park, the Silicon Valley in Shenzhen. And the manufacturing center SYHDEE Industrial Park was set up in the Central Industrial Area, Shuikou town, in Huizhou city.

With an approximate 30, 000 square meter factory and 520 staffs, Syhdee has its own SMT workshop with 7 sets of SMT machines; Process lines with 6 assembly lines and 4 automatic aging burning test lines; And professional experimental laboratory with 4 spectrophotometers, goniophotometer, constant temperature and humidity chamber, as well as various kinds of test equipment. Syhdee manufactory production management system(PMS) has already passed DEKRA and TUV authorized quality management and environment management and achieved authentication certificates. Advanced PMS(production management system) highly ensures best quality and prompt delivery for mass orders of 1, 500, 000PCS per month.

Syhdee is dedicated to offer customers LED lighting solutions. Its products lines cover LED tube lights, LED panel lights, LED down lights, LED bulbs, LED linear lamps. Till 2015, Syhdee has become one top 3 LED lighting manufacturer in China to offer customers indoor LED luminaires solutions.