Guangdong Zhengshang Electrical Technology Co., Ltd. is a high-tech company integrating leading R&D, production, marketing capability. Zhengshang was founded in 2008 in Canton,China and specializes in fabricating home air purifiers, car air purifiers, ventilation systems. Zhengshang currently covers an area of lager than 10,000 square meters , with annual production capacity of more than 500,000 units. With High product quality, excellent system performance,strict examination system, all the products are strict with raw materials testing, every stage of production and product testing. Every product is originally designed and fabricated by Zhengshang and we own their entire intellectual...