Shuangniao(word for 'two birds' in Chinese)Group is Iocated in Shengzhou county in the east of Zhejiang Province.The city is famous as the home town of neckties and Yue Opera, the second most influential opera in China.Since l 984, Shuangniao Group (Two Birds Machinery, thus TBM) has been focusing on research, development,design, production and service of various hoists.Nowadays, it is one of the Iargest and Ieading hoist manufacturers in China.The factory has an area of 200,000m2 containing 160000m2 of covered area.TBM has the most comprehensive product portfolios is specialized in design and manufacturing electric wire rope hoists,electrie chain hoists, manuaI chain blocks, manual Iever bloeks, high-strength slings, movable jib cranes, CNC machining centers, anchor chains etc.