Start from 1996, Qingdao East Standard Inc. specializes in the design, development, manufacture and export of pre-engineered tension membrane buildings. Our products also include temporary tents and shelters, sunrooms, telescopic swimming pool enclosures, shade sails and other kinds of light constructions. Our products have attained CE and ISO9001:2000 certifications. We manufacture prefabricated and portable structures, buildings and shelters and customized structures for many applications, including bulk storage and warehouses, industrial buildings, sports court enclosures/buildings and hangars. They have two common features: a well-engineered steel frame and a PVC-coated polyester fabric cover which is tensioned over the frame to provide a tight fitting shell. Our products are available in spans of 6 meters to 60 meters in length. The other main products ranges are sunrooms and telescopic pool enclosures. They maintain a watertight seal and generate a solar energy for a comfortable maintenance free recreation and pool environment. We can customize according to clients' interests and requirements. Please contact us for further information.