Sitting on the sofa is more comfortable when using spring fasteners. It is a new type of sofa spring fastener, made of plastic, milky white, dense, with horizontal lines at the top and bottom of the nailing position to maximize the firmness, and tough and strong enough not to be easily broken by gun nails. It is not easily deformed under normal use. Environmentally friendly and economical, easy to install, long life, corrosion and water resistant. Curved circle on the front for fixing the two ends of the spring, the force area becomes larger, increasing durability; wave pattern on the back, conducive to gun nail striking, increasing friction, not easy to slip nails custom-made self-research raw materials, better load-bearing, durable, reduce rattling, passed SGS durability test 80,000 times.Sofa spring, this sofa spring is the new sofa spring buckle, the new sofa buckle can be selected longitudinal or horizontal nailing firm. The outer pendant consists of a fixed end and a cylindrical spring end, the fixed end is attached to the side of the spring end on the inside; the inner liner is also of cylindrical construction and has the same shape as the inner cavity of the spring end; the liner is clamped tightly inside the spring end. In this way, when the spring hook hangs in the square cylinder of the plastic liner, the plastic has a certain plasticity, when the spring is squeezed and vibrated, it has a certain shock absorption effect, which can absorb the vibration energy of the spring and increase the comfort of people sitting down, with a novel design, reasonable structure and good application effect. May note: spring buckle is a sofa, spring bed necessary accessories, sofa, spring bed in the production process, the first spring buckle fixed in the frame, and the frame ends of the spring buckle one by one, and then the two ends of the spring hanging in the corresponding spring buckle one by one. But the current sofa spring buckle in the long-term use, will appear off the hook as well as the poor solidity of the situation, seriously affect the sofa, spring bed use.