Zhejiang youyuan new energy co., ltd is one professional Hi-Tech lighting company integrated with R&D, manufacture and sales. Since the establishment, we have passed through the ISO9001 international quality system certification, ISO14001 international environment system certification. Based on the principle of Saving Energy & Protecting Environment, our company has introduced the patented technology of world, and developed the Energy Saving Fluorescent Lamp (ES Lamp). ES Lamp has passed the verifications by the National Electric Light Source Quality Supervision and Inspection Center and the State Lamps Quality Supervision and Inspection Center as well as applying for several patents. With a professional R&D team, our company has established the hatching factory with 5000 square meters in Shanghai, which has introduced the most advanced automatic production line in the world