TWS is a 100% forging brand. It is eye-catching no matter in its appearance or in its strength and light weight. TWS is one of the few forging wheel brands in the world owned by Japan tan-ei-sya co., LTD. Tan-ei-sya, founded in 1978, is a factory with the world's highest forging wheel manufacturing technology. There are a few 8,000-ton hydraulic forging press machines in Japan to produce TWS perfect and tough forging wheels which are favored by many refit enthusiasts. In 1990, magnesium alloy was successfully forged by tan-ei-sya , which attracted world-class racing teams to use.