Shandong Shenli rigging Co., Ltd is a provincial new and high technology enterprise which has modern management level and ability of manufacturing medium and high grade rigging. It has a history of more than thirty years that all of the products are exported. The products include more than 1000 varieties, among which G80 connecting link, G80 safety hook, G80 shortening clutch and G80 Tawgk have been patented. At present, among all the domestic manufactures of rigging, SHENLI is in the highest flight not only in manufacture scale, technology and equipment, but also in quality, variety and specification. Now ,SHENLI has more than 500 sets of equipments, including the 26 key sets of testing equipments. The technology center adopts the advanced CAD two and three-dimensional design system, three-dimensional laser canner and advanced ANSYS emulational analysis system. Now SHENLI has the capacity of product design, mould making and testing. In 2001, we acquired ISO9001 quality management system certificate and ISO14001 environment management system certificate in 2005. Moreover, the G80 connecting link and G80 safety hook acquired the CE safety certificate approved by EU and the GS safety certificate approved by Germany. The brand "SHENLI" has been cognized as Shandong famous product in 2005, "SHENLI" brand has been cognized as "Shandong famous brand" in 2006 and "China export famous brand" in 2007.