五月婷婷六月丁香在线观看,久久国精产品一二区免费,成人在线观看1区2区3区,国产日韩欧美 ,国产精品福利一区二区_国产成人午夜性a一级毛片_国内一级特黄女人精品片_我想

The variety and color of the glass should meet the design requirements (samples must be confirmed by Party A or design), the quality should conform to the national product inspection standards and provide a certificate of conformity. The safety glass must have a mandatory certification mark and a copy of the certificate (the copy should be stamped) Supplier red stamp).