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
永定县| 乌兰察布市| 平武县| 娄烦县| 开原市| 蓝山县| 都江堰市| 赤壁市| 韶关市| 赤水市| 泰来县| 岳阳市| 吉水县| 武强县| 和林格尔县| 景宁| 深水埗区| 门头沟区| 习水县| 乌恰县| 华坪县| 宜昌市| 临洮县| 凌源市| 彭水| 株洲县| 楚雄市| 太仆寺旗| 龙游县| 万源市| 嫩江县| 侯马市| 交城县| 彩票| 博野县| 大邑县| 灌阳县| 嘉定区| 锡林浩特市| 博客| 乌苏市|