... ROHS, Melting, Tension, UV, Humidity and Color Variation Testers.* R&D: We are manpowered by one of most professional WPC ... Mold cost: free of charge for existing style, new model will be charged accordingly, the cost range is $1000-$ ... -stable, Weather-resistant, Moisture-resistant, Pest and fungus-free, Environment-friendliness: non-toxic, recyclable and ecologically sound. Color Collection Overview ...