一般家具都可以看到里面，而沙发被各种面料一包，您一般不会撕开看这就给一些不法商人留下可乘之机，那么怎么挑选高质量的沙发呢?现在，一般的沙发都不用钢制弹簧了，而采用泡沫垫的形式。泡沫的发泡过程对发泡的质量是非常重要的。发泡材料都是聚胺脂类的，而正规厂家都用低 General furniture can be seen inside, and the sofa was a variety of fabrics, you generally do not tear open This gives some unscrupulous merchants left an opportunity, then how to choose high-quality sofa? Now, the general The sofa does not have a steel spring, and the form of a foam pad. The foaming process is very important to the quality of foaming. Polyurethane foam materials are, while the regular manufacturers are using low