Chien Tsai Machinery Enterprise Co., Ltd. was set up in Taipei in 1973. Mr. Chien-Tsai Chen, the chairman of Chien Tsai Machinery, lead the outstanding work group to concentrate on producing and designing screw thread rolling machine. Our businese grows well and prosperous under the hard working. Chien Tsai has accumulated 30-year in manufactures, fabricate, technology for the operation and the design experience. Sales volume occupies the first of the same business.