We are pleased to inform you that Tien-I Office/Factory will be relocating to the following address on 2020.  Our office phone number and Fax number remain unchanged.   No.43, Gongyequ 23rd Rd.,Nan-tun Dist., Taichung City 408, Taiwan (台中市南屯區工業23路43號) Our Location On Google Map htt

To get the 2019 new Tien-I catalog, please click the below link for PDF version. Part.1 (4.7mb)Socket and ToolkitPart.2 (3.7mb)Impact SocketPart.3 (1.8mb)Air ChiselPart.4 (2.3mb)Automotive Tools Download Daily Useful Table from our blog:Inch to Milimeter Conversion Chart   Torque Coverstion Table I