Which one sells the ups uninterruptible power supply? What brand is good?

1, Crestec KSTAR (China's UPS R & D and production of one of the enterprises, national high-tech enterprises, the industry's famous brand, Shenzhen Crestec Technology Co.)

2, Eaton EATON (founded in 1911 U.S., a century-old brand, the global industry's leading brand, one of the world's largest UPS suppliers, Eaton (China) Investment Co. Schneider acquisition.

3, APC (founded in 1981 in the United States, the global industry-leading brand, one of the world's largest UPS suppliers, the top ten UPS uninterruptible power supply brands, the United States Power Conversion Group), was acquired by Schneider.

4, Emerson Emerson (in 1980, the world's leading engineering solutions provider, the world's top 500 companies, large multinational groups, Emerson Electric (China) Investment Company Limited)

5, MGM MGE (the world's leading power distribution brand belonging to the Schneider Electric Group, the main international standards in the field of power distribution developers. Schneider Electric (China) Investment Co., Ltd)

6, EAST (in 1989, China's largest ups power supply R & D and manufacturers, China's well-known trademark, Guangdong Province, famous brand, the world's leading overall power supply solutions provider, Guangdong EAST Power Supply Co. Ltd)

8, Santak Santak (high-tech enterprises, Guangdong famous brand, specializing in uninterruptible power supply UPS development, production and operation of manufacturers, Santak Electronics (Shenzhen) Co. Supply products in the world's leading brands, one of the world's largest manufacturers of DC regulated power supply, Delta Electronics Industry Company Limited)

10, MUST Mercer (specializing in inverter, ups power supply research and development, production, sales as one of the integrated manufacturer, Shenzhen Meco Energy Technology Co.