Founded in 1975 in Taiwan, Dot To Surface Enterprise Co., Ltd. is a leading of Steel Wire and Steel Wire Chain with years of experiences. For years professional experience and innovation, we increase our production line to serve our best to our esteemed customer. Besides, our branch with factory in China was established in 1997, named San Yi Chains & Hardware Co., Ltd. San Yi Chains & Hardware Co., Ltd. has 3500 Square Meters. Own 150 sets Chain machines, 25 sets of welding machine. Capacity reaches 300 tons per month.
