一本色道久久综合狠狠躁篇|国产欧美日韩在线播放|亚洲精品少妇高清自慰|视频区国产亚洲.欧美|国产精品麻豆一区二区|午夜福利 国产精品|欧美午夜精品久久久久免费视

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
新丰县| 鄂托克旗| 永福县| 蕲春县| 通河县| 朝阳区| 龙海市| 桃江县| 永安市| 黔西县| 锡林郭勒盟| 开封市| 宕昌县| 盐津县| 五大连池市| 绵竹市| 台北市| 甘孜县| 石渠县| 长垣县| 扎赉特旗| 郸城县| 五常市| 磐安县| 滁州市| 瓦房店市| 汉寿县| 仁怀市| 双江| 乐亭县| 越西县| 赤水市| 富顺县| 沧州市| 河南省| 常州市| 营口市| 武隆县| 宁武县| 晋州市| 龙海市|