I plant the hoist has a history of more than 30 years, model JK0.3-JK15,JM0.3-JM50, products have become standardized, serialized.undefined I factory production of hoist had for national focus project: Daqing oil field, and Chongqing goose public rock bridge, and Jiangsu Jiangyin bridge, and Anhui Wuhu bridge, and Shanghai Lupu bridge, and Shanghai Yangpu bridge, and Shanghai nanpu bridge, and Shanghai Maglev high-speed railway, and Shanghai within link high frame, and on Qinhuangdao-Shenyang high-speed rail, and Guangzhou ya temples sand bridge, and Zhengzhou yellow II Bridge, and Zhuhai o Dang three bridge, engineering, especially Daqing oil field, using of is I factory production of JM32 hoist, and Shanghai port machinery plant is long-term supporting our hoist.