Ever since the establishment in 1987, OTOS has steadily developed into a leading manufacturer in the field of industrial safety helmets. With our excellent Research & Development as the foundation, OTOS has built itself up as a professional manufacturing company, constantly developing new technology and designs, and making rapid progress by aggressively cultivating both the domestic and international markets to finally end up as the top manufacturer of protective eyewear by possessing 55% of the market.As a front-runner in the industrial safety helmet (protective eyewear) industry, OTOS spares no efforts when it comes to the development of new products and the advancement of technology for our customers&＃39; safety in the areas of safety spectacles, welding shields (auto-darkening welding helmets, general welding shields), safety goggles, and other protective eyewear. The undying effort for the development of new products is simply an expression of our dedication to furthering product quality for the well-being of our valued customers.Having begun the development of auto-darkening welding helmet technology in 1990, OTOS successfully introduced the Chameleon Series after six years, and currently has six varying models out in the market (2 Chameleon Series models, 3 Mach Series models, and a singular model). Furthermore, having designed the world&＃39;s first Decal design, and with its sales amount rapidly increasing in the world market, OTOS possesses an unequalled technological ability in the field. Presently, the W-16000 and 20000 (0.0000625 sec., 0.00005 sec.) models in the cartridge division are being produced and sold, and the new W-25000 (0.00004 sec.) model is under development. We at OTOS will always be there for you as a company that adapts to suit your changing needs through constant development of technology.