Zhejiang Chaowei Power Co., Ltd. has been specialized in producing sealed lead acid batteries, plates for battery and battery manufacturing equipment for over 10 years. We are one of the largest manufacturers in China. Our productivity is over 100,000 pieces of batteries per day. CHAOWEI brand is the bestseller brand for electric-bicycles and we are famous for the quanlity of the batteries. Chaowei brand is the national inspection-free product. we are now mainly producing five series batteries:(we have deep-cycle battery. Gel battery and so on) lead-acid batteries for electric-- bike lead-acid batteries for energy storage lead--acid batteries for Electric Vehicles: like Golf-cart, forklift-truck lead-acid batteries for UPS( uninterruptive power systems) lead-acid batteries for electric--motorcycle our mainly product is the power bike battery. Actually we take one third of the bicycle battery market in China. As you know, China is the largest market for the electric-- bike. And we are the largest battery manufacturer in this field. Our technical manager has been to India ,and our research center has already developed successfully the battery which can resist the high temperature there. We already sold more than 100,000 pieces of the new type to one of our indian customer .and they worked better than other common batteries from China. We can design the special batteries at your requirements. We have enclosed our catalog, which introduces our company in detail and covers the main products we supply at present.