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...