... pulleys3.tempered glass back , like mirror after filming ,nylon paper for explosion prevention4.aliminum in satin anodizing ,silver whith, silver sand5 ... ,hot and cold water faucet with,ceramic valve core,control switch for different shower functions,hand/movable shower,hydro-massage & acupunctures ... America and so on.9.OEM accepted, our company can change the products as your request I want to say: 1 ...