Established in 2004, Shanghai Chen Lan Optoelectronic Devices Co., Ltd. is mainly engaged in the sales of OSRAM light sources for automobiles and the design, production and manufacture of LED circuit board modules and automotive electronic modules for automobiles. At present, the company covers an area of about 8,000 square meters, with 3 10 employees and an annual output of more than 60,000 circuit board modules10. Now all the products of the company are matched by the original automobile factory, and have long-term good cooperative relations with many domestic automobile lamp factories.