型材 PROFILE 采用6063-T5 国际通用门窗型材 3000吨 挤压机成型 表面平整无杂质,强度高,不易变形,具有极好的抗风压、 抗腐蚀性能。 The surface is smooth without impurities, high strength, and is not easy to deform. It has excellent anti wind pressure and corrosion resistance.