Product Description (Sinuous Spring):

The Sinuous Spring is one of the specialty products in Feili, we call it shortly as S-spring. It is also known as "Snake Spring" or "Zigzag Spring".

Sinuous Springs are mainly used for sofas (seat and back), car seat and beds. It's usually fastened with clips and nails to a metal frame of certain size used for seats or beds; Compared with unstable elastics, it is tensile and flexible with high endurance; moreover, it largely increases the comfort of products. That's why it is widely used in furniture industry.