SHUANGNIAO MACHINERY, specializing design and manufacturing of electric chain hoist, manual chain hoist, lever hoist and various high tensile sling assembly, is a group corp., which consists of Shanghai Shuangniao Machinery Co., Ltd., Shuangniao Machinery Co.,Ltd., also. It is the largest private enterprise for HOISTING MACHINERY in China. Taking the advantage of first-class engineers, the most advanced chain making manchines from Germany and the up-date manufacturing technology from Japan, we always guarantee our design and quality control following the step of times and enhance the share of international market, that is the reason why our corp can smoothly obtain the approval of ISO9002 in 1999, as well as CE approval later on, also it can explain why we are the first and only one that successfully get the Germany certificate of GS for hoists in China. Our series hoisting products, with registered trade mark "SM" and "SHUANGNIAO", have been exported to almost 50 countries and regions, including EUROPE, USA, AUSTRALIA and SOUTHEAST ASIA, etc; and our products, by its newly unique design and super quality, have gained a good reputation among users in China and abroad. Under the principle of "With continuous innovation, enjoying rendering best products and services to customer's up-date demand", the SHUANGNIAO MACHINGERY sincerely welcome all our friends from domestic and abroad.