SSOBT, we set up in 2002, specializing in producing and exporting window and door products of fly screen door and windows, Balcony frameless window system and rolling shutter series. And soon become the leading manufacturer in Guangdong Province, China because of hight quality of the products and service. Our main business is exporting material/components, equipments and available in made productions/samples at the same time. Our products are spreading to many places all over the world and gain a very good reputation. Pls feel free to contact if there&＃039;s any requirements.