ShenZhen SuYu Technology Co., Ltd. which was found in 1995, mainly engaged in designing and manufacturing of CR series lithium manganese dioxide button batteries. We have six series of thirty-two varieties. The company now covers an area of 22, 667 square meters, construction area of 18, 188 square meters, lithium manganese battery manual production 24 lines, automatic production 27 lines, more than 960 employees as well as more than 50 engineering and technical personnel. Since 2005, we constantly were increasing investments in equipment, technology, so far the total investment in fixed assets 30 million yuan, 10 thousand million in working capital. The yield of lithium button cell are more than 25 million per month, nearly 300 million per year. The sales is nearly 100 million yuan one year.