Since 1981 in Changhua County, central of Taiwan, Yeun Chang Hardware Tool Co., Ltd. has been dedicated to the fastener market and get with its own brand, Thumb Brand, already recognized by professional buyers worldwide.
To enhance production efficiency, Yeun Chang has fully integrated production lines to be automation making, heat treatment and packing procedures to have more than 350 tons monthly capacity of various nails and other fasteners....[more]