Rui'an City Shuanglin Mechanical Fittings Factory establish in 1992, Altered the factory name as " Rui'an City Shuanglin Mould Steel Factory " in 2000.The new factory building lies in Longgang of Cangnan county, covers an area of 40170 square meters, traffic is very convenient, and 380 staff. Our factory has: 1 hammer for one ton, two vapour hammer for one ton, 3 air hammers for 0.7 ton, and some equipments, such as checkout room by oneself, laboratory, etc. We mainly produce mould material, tunnel machine fittings, weld flange, etc.