It is made by using advanced tanning technology and high-precision tanning equipment, with high tear strength and wear resistance. The built-in hot pressing bending plate has a first-class buffer, filled with high-density sponge to support the back, and the buffer and pressure relief paste back wrapping layer has a second-class buffer, filled with doll cotton, which is delicate, soft and comfortable to the skin Ergonomic design principle, scientific 4:6 seat proportion design, backrest fitting spine curve, comfortable and natural