Shenzhen City, Nan Bai Industrial Co., Ltd. was established in 2000, is a Sino-foreign cooperative enterprises. R & D, production, sales, service as one of the manufacturers. Professional development of: negative ion plasma, ozone generators, ozone disinfection, air purifier, car oxygen bar, multi-functional humidifier, high-voltage transformer, USB computer oxygen bar, high voltage power supply and electronic control panels and other environmentally friendly products. The company has passed ISO9001: 2000 international quality system certification, and Safety Certification UL, CQC and the TUV, CE, and products fully comply with ROHS environmental protection standard.