than single fence

according to the results of monitoring spot check on the market of plastic steel product quality qualified rate of only 40%, bending strength, coating thickness, alkali resistance and so on phenomenon of "water".And the strength of the plastic plate is low, easy to distort,

not environmental protection (UPVC not recycling) hou resistance is poor, combustion will release toxic gases.There are a few points in mind, the plastic plate is not as hard as possible, because some is very hard, but it is very brittle, you can take samples bye bye;But soft board and have a look whether for recycled materials ,

(is recycled materials is often the price will be very low), so, had better look for some famous manufacturers order;In general, equal material board, double than single layer in the rigid or preventing deformation will be better.Again in aluminous gusset plate of metal ceiling with aluminous gusset plate, aluminous gusset plate is new-style adornment material,
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