亚洲av乱码一区二区三区按摩|欧美一级久久久久久久大片|精品国产乱码久久久久久久|亚洲综合精品成人|亚洲无码在线精品免费|人人妻人人藻人人爽欧美一区|中文精品无码中文字幕无码专区

簡體中文 English
HomeAbout UsProductsCore TechnologyNewsThesisJoin UsContact Us

News

Company News Hot news
National Standard for PVC-U profiles for the doors and windows effective from May 1, 2018
Sources：本站　Date Time：2017-12-01 10:06:11　Views：Back
New National standard GB/T 8814-2017 for Unplasticized polyvinyl chloride (PVC-U) profiles for the doors and windows will be effective from May 1, 2018. It is stipulated that all PVC profiles shipped out from factories after May 1, 2018 must be lead free.

PreviousNo more

NextNo more

Share to： More
PrintRefreshTopBack
治县。| 深水埗区| 龙里县| 龙海市| 苏尼特右旗| 彰武县| 桃园县| 平武县| 鹤峰县| 珲春市| 阜宁县| 盐亭县| 西丰县| 宜昌市| 镇康县| 凌源市| 永新县| 天门市| 六盘水市| 依兰县| 松溪县| 柳林县| 滨州市| 柳江县| 汉寿县| 金寨县| 芜湖县| 佳木斯市| 张家港市| 长沙县| 三原县| 肇庆市| 阳原县| 米易县| 铁岭县| 临潭县| 永顺县| 福海县| 晴隆县| 博乐市| 东阿县|