We are specialized in DOK Energy-Saving Glass, Weather Strip for Window, and other auxiliary facilities. Our DOK Energy-saving Glass has the following characteristics: 1)sound insulation. 2)Heat insulation 3)Romove influence of infrared ray & ultraviolet radiation.4)Safe and environmentally friendly. Our products are patented. We own advanced production equipments and have excellent ablity of product development and innovation. We strictly control every production process and comply with ISO and ASTM standard. We always insist on service tenet:quailty prior and perfect service. Size can be made to customer’s specification.We sincerely welcome most customers to negotiate business with us. If you have any query, please feel free to contact us.