IntroductionEstablished in July 2009, Tuo Dih Shen International Co. is located in Guishan District, Taoyuan, Taiwan. Our company specializes in the research, development and production of hand-pressured, telescopic, rotating mops; also referred to as "spin mops".We have obtained patents from:AustraliaChinaEUJapanKoreaMalaysiaTaiwanUSAWe have won numerous awards from international invention fairs including:2011 Taipei International Invention Show & Technomart; Gold Medal2011 Seoul International Invention Fair; Gold Prize2011 iENA Nuremberg International Trade Fair; Gold Medal2012 International Invention Fair in the Middle East, Kuwait; Gold Medal2013 INPEX Pittsburgh, PA; Gold MedalOur products have undergone an SGS durability test and have been approved to withstand over 60,000 spin cycles, proving our products are incomparable to other similar products.Currently, our products are widely sold to the USA, Vietnam, Taiwan, and Thailand. We are actively seeking distributors in other countries around the world.Our sister company, Shin Der Cheng Industry Co., has been a leading manufacturer of fasteners - screws, nuts, bolts, washers, etc. - for over 30 years.Although we specialize in custom, made-to-order, screws, we also manufacture all common types of screws (machine, sheet metal, wood, drywall / particle board, concrete, set etc.) all types of common bolts (hex, carriage, lag, shoulder, U, J, eye, elevator, hanger, flange, binding, etc.) as well as accompanying nuts, washers and rivets.