Hangzhou Qinglong Electronics Co., Ltd. is located in Hangzhou of Zhejiang Province. Our factory is a professional manufacturer specializing in energy saving lamps, with more than 5 years of experience in research, production and sale. With more than 200 employees and 3000 square meters of workshop, we have strong capability to produce more than 5 million pieces of lamps annually. We have our own production lines, advanced lab equipment, scientific production technology, strict quality ...