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 ▼frp grating  Dbhyrun 18/2/23(金) 22:57

 ───────────────────────────────────────
 ■題名 : frp grating
 ■名前 : Dbhyrun <nnttgheecffth@outlook.com>
 ■日付 : 18/2/23(金) 22:57
 ■Web : http://www.grp-grating.com/
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   Frp grating is a plate material with plenty of space that using fiberglass as its reinforcing material , choosing UPR unsaturated polyester resin as its matrix.

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