... noise, vibration characteristics of Anti-steam, dust-proof, waterproof PVC free foam sheet/Decoration, Display BoardWe’re Jinan Julong Plastics Industry ... Zhangqiu City, Jinan, Shandong Province. We specialize in producing PVC foam board since the year 2005. At present, We ... silencers, seismic performance, etc.2. Anti-steam, dust-proof, waterproof, anti-rust, anti-acid, alkali, salt, such as chemical ...