American Sanlight Battery Produce Corp. has been built since in 1986. It is at Wilmington, Delaware, the United States and it's famous high-tech MNC which hammer at research, manufacture, sell and service. In 1995, Sino-American Wangma Power Supply Co., Ltd was built by American Sanlight Battery Produce Corp. at Huangshan, China.It is a base for producing Sanlight Battery in Asia area. There are 40,000 sq.m. porduce industry area and work in pioneer technical product line of international named VRLA with 400,000 KVA per year throughtput.The lead-vitriol accumulator and colloid accumulator of Sanlight brand were passed technology testing successfully of Telecom, Electric power, National defense etc. Therefor,colloid accumulator was passed the testing of China Product Quality Test Supervise Association, to reach international lead level (the colloid accumulator of Sanlight brand series product is only one kind of colloid accumulator over passed by Information Industry Ministry.) For our consume 2001, overpass ISO9001: Quality System Authentication 2000. Beijing Sunlight & Sanlight Technology developing Ltd. Corp. has built since in June, 2000. It is a headquarters of American Sanlight Battery Produce Corp. to sell the product in China. It hammers at popularization, sell and service of Sanlight Battery. There are 20 branches and offices in mainland and network of sell and serve spread all over the China in order to supply the most comprehensive service in time.