Sino-US Joint Venture Hangzhou Tiecheng Information Technology Co., Ltd was established in Dec, 1999, in Hangzhou, China. Tiecheng is a professional manufacturer with approximately 2100 square meters and has Research & Development, produce, sale and information service of their own. Depending on the internationally advanced technology, solid fund capability and years development, Tiecheng has successfully developed international standard hard, software products with high tech such as HF/PFC Battery Charger, DC/DC Converter and Battery Indicator etc, They are widely used in electric vehicles, forklifts, golf carts, electric tour, pallet trucks, electric boats, cleaning equipment and UPS (uninterruptible power supplies), solar power, wind power and Communication rail system and other communication industries and fields. With excellent quality, good reputation and perfect after-sales service, Tiecheng has been trusted and recommended by worldwide customers and exported products to 30 of countries all over the world.(We are agent sales department of TC charge, we have found many fake or irresponsible sellers we can't in charge of the quality problem or technical consultation if the goods not selling from us.)