● Noise- free connection, reduction in customer complaint
● Moderate holding force, balanced feeling
● Standardized purchasing, reduce pressure
● Excellent elastic flexibility, enhancement of the sitting comfort
● Prevention against the sponge subsidence, extension on the sofa durability
● Revision of original manufacturing module, implement of theassembly manufacture

Noise free connection, reduction in customer complaint Full use of the elastic system, enhancement of seat comfort Opegation fficiency increase, labor reduction Shorten length of the spring, cost reduction Beautify sofa base frame.