Resin khawm yog lub ntsiab lus ntawm unsaturated polyester resin khawm.Resin nyees khawm yog ib qho zoo tshaj plaws hluavtaws nyees khawm, thiab muaj cov yam ntxwv ntawm hnav tsis kam, kub tsis kam, tshuaj tsis haum, complexity, dyeability, thiab electroplating....
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