Shandong Sanjing Ligthing Science & Technology Co., Ltd. (formerly known as Weifang Aojia Lamps Co., Ltd.) is located in the beautiful world Kite Capital - Weifang, which is near Qingdao Port. Sanjing specializes in manufacturing LED lamps, including street lamps, garden lamps, tunnel lamps, industrial lamps and spotlights.

Sanjing is focusing on the research of the semi-conductor lighting technology and related product development. Over the years, Sanjing Ligthing has gained major breakthroughs on LED packaging, non-symmetric optical system, cooling system and wireless intelligent control system fields. The products of Sanjing have reached or surpassed the national standard for road lighting on the following indicators: energy saving, light effect, light distribution, safety, waterproof performance and dustproof performance. Sanjing has 12 national patents, like utility model patent and design patent. Sanjing also passed the inspection quality certification approved by the Shanghai Quality Supervision, Inspection and Research Institute, the National Electric Light Source Quality Supervision and Inspection Center (Shanghai), the National Quality Supervision and Inspection Center and lighting Ministry of Information Industry Institute of Electronics Fifth on Energy, Security and Reliability.

Sanjing also works to enhance international cooperation. Sanjing has built up strategic partnership with CREE from the USA and OSRAM from Germany to work together for the green lighting.