1.solar water heater parts2.ISO9001:20083.High quality and competitive low price4.We're the third biggest supplier5.customizableHaining Jiutong Plastic Factory is the third biggest manufacturer specializing in solar water heater parts! We produce various kinds of plastic & rubber solar water heater parts, such as silicone seal rings, dust proof rings, vacuum tube holders, gaskets, covers, plugs and so on. Welcome to our website. Jiutong Plastic, your wise choice!If you are interested in these products, please don't hesitate to contact me for other detailed information. We are professional manufacturer and always ready to serve for you!