Located in Yantai,Shandong Orovince with convenient transportation,YantaiRngyuan Rubber-DamEngineering Co.,Ltd.is a professional hi-tech manufacturer of rubber-dams(inflatable dams)in china. Among the special machines for manufacturing rubber-dam bags are lager-scale flat vulanizing machine and 20-m long heat vulcanizing machine,which enable production of rubber-dambags of5m and below in height,with stable and reliable product quality,enhanced processing capacity and speedy production.This company can provide quality rubber dam bags for ruber-damprojects at home and abroad.