Tianjin Liwang Spring Factory estabished in 2003, with experienced automation equiqment and Technical team, our production reaches 500Tons/year. All size and shape forms are available.Main Products: Sofa Spring, Serpentine Spring,Sofa Spring Bag, Sofa Spring for cybercafe.Our commission: To grow and create value by supplying innovative products & services for maximum customer satisfaction with due respect to the interest of all stakeholders.