It is mainly used in machinery, electrical appliances and furniture. Compared with the similar PVC anchor, it has superior performance in environmental protection, shock absorption and wear resistance. Rubber can bear high pressure strength and high aging resistance. It is mainly used in non-civil sofas and beds, widely used in electric sofas, sauna sofas, leisure sofas, KTV sofas, back rubbing beds and loose bone beds, etc. generally, as an export, it has high requirements for quality and environmental protection, as well as high requirements for shock absorption and wear resistance, generally divided into two types: column and sleeve.