Zhejiang shuangniao machinery co.,ltd., 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 technolog...
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