2. The bed plate is made of no less than 1.1 mm high-quality cold-rolled steel plate by pressing and forming, and the surface is shot-blasting and rust-removing by electrostatic spray treatment. 64-hole design of the whole bed board. The back position, foot position and main body supporting connectors must all be made of steel plate with thickness of not less than 2.0 mm. The main shaft of the supporting arm shall be made of steel plate with thickness of not less than 2.0 mm.
3. All parts of the movable connectors using high-quality cold-rolled steel plate production, surface electrostatic spray treatment.
4. Detachable ABS headboard and tailboard are made of new ABS plastic with independent anti-collision plastic wrap around them. The headboard and tailboard must weigh at least 5.5