China Crown Investment Group Co., Ltd. was founded in 1983. The Group integrates product R &D, manufacturing, brand operation, international trade, property transformation and industry Internet operation and other industry service providers in the whole ecological chain. We have 3 sub groups as Crown Tools, Sowin and Merit link. Crown Tools has three modern plants, and operates its own R & D & manufacturing, Global trade, OEM production and related product services of four tool brands, namely CROWN, TOSAN, DWT and MYTOL. Sowin sub group operates its own plant area, old industrial zone transformation, park business etc. Merit-link sub group has successfully built and operates a vertical industry internet platform for the tool industry since 2017, to integrate industry resources based on its own business and help the customers buy and sell via platform globally.