Zhejiang shuangniao Machinery ltd., is  design the manual hoist ,lifting equipment,electric hoist with FEM stardand for Europe. TBM have obtained the ISO9001 certificate in 1999, also smoothly passed the European CE/GS safety certificate in 2000.Under the principle of "with continuous innovation, enjoying rendering best products and services to customers up-date demand", TBM have gained a good reputation among users in China and abroad.