What about the inside of the sofa?
Snake spring: the use of Shunde's largest material supplier promotion materials provided by 80# high carbon steel spring snake methods after 1000 kilograms, in the test to simulate the human hammer seat 10000 times by pressure test without deformation.
Splint: general use of 3 per cent and 5 per cent, plywood 9 per cent, 12 per cent and 15 per cent and 18 per cent of different thickness types, different parts of the plate with different thickness, like the back of the general use of 3 per cent or 5 per cent of plywood, armrest and backrest generally use 12 or 15 per cent, with 15 - leg structure 18 per cent splint. The inner frame of the sofa is made of plywood, which has strong nail holding power and is not easy to damp.
Wood: wood sofa mainly uses the hard wood, Catalpa wood, birch, mostly Acacia, oak etc.. This kind of wood is tough, affordable, nail - catching and not prone to moisture and distortion. Betula Betula is one of the most southern species of birch trees in the northern hemisphere. Concentrated in the southwest of Yunnan Province, South, Southeast and southwest of Guangxi, northwest and southern Guizhou. Southwestbirch is strong to positive species, not resistant to light shade, well in acidic soil, strong survival ability.
Rubber band: in order to maintain the sofa cushion's enough elasticity, the rubber band used in the sofa should adopt 7cm wide high strength rubber band. This product has been tested 3 times and stretched 20 thousand times, and the tension index has not changed. Many plants use only 5cm wide rubber bands. The sofa frame technology: for wooden sofa wood square, all artificial selection, removal of bark moth and wood, the wood will be used all four polishing. The main frame with 4*8 wood, the rest of 3*5 wood, of all angle reinforced with accurate cut wood, ensure the wooden sofa can use more than 10 years. For the protection of the sofa in the south of the wet weather is not on the sofa in the tide, with wooden nail curing agent 2 pack. A balance net is installed on the serpentine spring and the rubber band, so as to avoid the collapse of the sponge part caused by excessive force.
