woqiquan Electronic Technology (Shanghai) Co., Ltd. is a professional electrician electrical business, the company's products strictly related to the concept and regulate the production and marketing of products in accordance with ISO9002 system products, European CE, IQNET, ROHS environmental certification; the Company EPS fire power and Fire Control products in strict accordance with the requirements of the Ministry of Public fire certification production and sales (through the relevant certification). Is approved by the relevant state registration of Chinese enterprises. Professional production and sales "Vastpower" brand of UPS, EPS fire emergency power, AC, DC power supply, power inverter, power inverter, DC panel, generator, solar power systems, batteries, ...