• home

    chinese

    english

    Environmental

    Company attaches importance to environmental protection.insists on sustainable development, advocates of clean production,do earnestly to deal with waste gas, waste water and solid waste. In 2000, was awarded the advanced unit of environmental protection. In 2004 we passed the certification of ISO1400:1996.Our promise is protect environmental, out of pollution.

    男人的色天堂_久久精品视频网站4_最近免费中文字幕2019_好看的中文字幕AV