The BTMS is a co-partnered JV, by Boo Won B.M.S. Co. LTD. of Korea and TMS Turkey, aiming at producing the very best reinforcing coupler system available; the “BMS Parallel Rolled Thread System”.
The world’s longest and tallest structures stand firm on the strongest foundations and the most reliable connections. Powered by the best mechanical coupler, engineering boundaries are pushed to new heights, ensuring unmatched safety and durability. With our robust, innovative design, we are building the skyscrapers and mega projects of the future!














