Dot To Surface Enterprise Co., Ltd. was founded in 1975 as a specialist manufacturer and export of chains and hardware in Taiwna.
For years of professional experience and innovation, we continually increase our product line to serve our best. Therefore, we have developed our business activities in Mainland China and overseas.
In 1998, We established the sub-company, San Yi Chains & Hardware Co., Ltd. in Guangdong, Province of China.