欧美亚洲制服丝袜在线_国产成人亚洲精品77_午夜不卡久久精品无码免费_这里只有精品视频在线观看_日韩精品久久久久_亚洲综合图区天堂在线_第一页第二页国产西瓜影音日韩一区_人妻少妇久久久久久97人妻

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
个旧市| 修水县| 靖西县| 杨浦区| 自治县| 娱乐| 贵德县| 洛隆县| 门头沟区| 河间市| 高阳县| 石林| 阿瓦提县| 金秀| 灵台县| 自贡市| 岳阳市| 柘城县| 潍坊市| 陈巴尔虎旗| 六安市| 朝阳区| 米脂县| 蒙山县| 宜春市| 林口县| 尉犁县| 东莞市| 安吉县| 合阳县| 嘉禾县| 阜新市| 拉孜县| 潍坊市| 敖汉旗| 镇远县| 沭阳县| 贵南县| 偃师市| 格尔木市| 邵阳市|