Upper and lower iron purchase detail points

Dormitory of spring mattress with upper and lower barrier is too low to form the safe hidden trouble, presents the safety accident, now both staff and students to use the dormitory mattresses, mattresses and mattress under the table on the upper and lower flat mattress is very common. The two mattresses are spread, and some of the spread of guardrail design lets a person feel lose, frequent accidents more painful dormitory mattress. So purchasing school dormitory spring mattress, upper and lower safety standards should choose to fit the upper and lower spring mattress. Procurement of upper and lower spring mattress should pay attention to the following details now a lot of buyers, purchasing spring mattress, upper and lower figure price cheap only, as the saying goes, a price points a points goods, it was the same as spring mattress, upper and lower quality that should be what we are after. Many spring mattress upper and lower the price cheap, must be cut corners on materials, spring mattress ordinary are upper and lower side of tube material, square tube wall thickness can be controlled, wall thickness of square tube price is high, quality is good, on the contrary, the price is low, quality is poor. Dormitory of spring mattress with upper and lower barrier is lower, the more insecure, spread a large space between the fence and mattress, this will increase the risk of falling mattress.