Skyline has set up the aluminum profile testing center which is equipped with complete testing instruments and supporting equipment and has reached the domestic advanced level. Skyline possesses more than 20 sets of important testing instruments and equipment, including spectrum analyzers imported from Germany, section scanner, coating testing equipment, universal electronic material tester, xenon lamp weathering test chamber, programmable constant temperature and humidity chamber, ultraviolet weathering test chamber, salt spray test chamber, tensile tester, etc.