影视先锋看片网站|免费黄动漫在线观看|99在线无码精品视频|99精品久久精品一区二区|国产精品扒开腿做爽爽爽视频|久久国产乱子精品免费女|亚洲视频一区在线观看

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
湟中县| 犍为县| 博客| 武清区| 定结县| 平昌县| 衡阳县| 大城县| 阜城县| 三江| 柘荣县| 卢氏县| 定襄县| 东乌| 长治市| 铜川市| 资兴市| 维西| 仲巴县| 新郑市| 萝北县| 丰台区| 潼南县| 宜兴市| 龙岩市| 麦盖提县| 乐安县| 勐海县| 芜湖市| 含山县| 郴州市| 宁武县| 阜阳市| 清河县| 崇仁县| 湘阴县| 鄂托克前旗| 澳门| 娱乐| 德庆县| 莱州市|