亚洲国产精品无码AAA片|亚洲国产精品免费|在线看三级片图片|国产成人久久精品激情91|亚洲精品无码播放|国产精品一区二区尿失禁|亚洲成人网在线看

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
蒲城县| 鸡东县| 清镇市| 湖北省| 临桂县| 望江县| 赣榆县| 军事| 马尔康县| 两当县| 雅江县| 昌吉市| 崇左市| 丹江口市| 张掖市| 罗定市| 通辽市| 罗田县| 抚宁县| 定远县| 枣阳市| 龙江县| 盖州市| 宁海县| 托克托县| 黄山市| 兴海县| 乐东| 永靖县| 和林格尔县| 高陵县| 驻马店市| 古丈县| 鄂托克前旗| 庆元县| 永靖县| 平阴县| 卓尼县| 留坝县| 遂宁市| 改则县|