quality detection
Press the surface of the spring mattress by hand. If the spring rings, it means there is a quality problem with the spring. If it is found that the spring is rusted and the lining material is broken sacks or flocculent fiber products made of industrial leftovers, the spring soft mattress is inferior.
persistence
The core of the spring mattress is the spring, and the patented wonderful buckle spring can reach 654.38+00000 durability tests. The more times the spring is elastic, the greater the elasticity, indicating that it is the spring that supports the body, not the sponge. This situation shows that the mattress is more durable. Clever buckle can generally reach 5-7 times of elasticity.
Real guarantee
Authentic mattress products are marked with product name, registered trademark, name, address, contact information, and some also provide qualification certificates and credit cards. Most mattresses sold in the market without factory name, address and registered trademark are inferior and low-priced counterfeit and shoddy products.