The former Chongqing Chain Block Works with a long history of manual hoist production,is located 14006 square met- ers,among which the productive construction area is 8800 square meters .The factory stays on the road side with a distan- ce of 5km.From Chongqing West Railway Station,7km.from East Railway Station,6km.form Chengyu Express High-way an- d27km.from Chaotianmen port,the land and water transportation are convenient. With experiences in producing manual hoists for nearly thirty years,we have possessed the perfect testing devices an- d the advanced equipments,including seven computer-controlled lines for high strength seven computer-controlled lines f- or high strength chairs imported from Germany and Italy and Other automatic and semiautomatic digital-controlled machin- es.Our main items are various models of chain blocks,lever blocks and high strength chains as well as chain assembly.As one of the biggest professional manufacturers of chain blocks in china,our present production for chain blocks has reache- d 200,000pcs and high strength chains 400,000meters in a year. The "Double Swallow&"Shancheng" brand chain block,lever block and hign strength chains are of high quality and wo- rthy to be reliable.Our products sale well both in domestic and overseas markets,and enjoy superior reputation as well. The principle of Chongqing Kinglong Machinery Co.,Ltd. is to provide the first-class product and the satisfactory servic- e after sales.