中韩高清无专码区2021曰_色翁荡熄又大又硬又粗又视频图片_波多野结衣乳巨码无在线观看_国产91福利在线播放_国产人妻人伦精品_马来西亚潜水天堂_黄色免费网站下载_免费看黄网站黄污污污热门软件_小莹客厅激情46章至50章视频

Founded in 1984, Huanghua Bohai Chemical Co., Ltd. is a specialized manufacturer of dye, organic pigment and intermediates, with a land of 130,000sq.m, 350 employees, RMB 38 million yuan of total assets and the annual output of 2,500 tons. Up to now, six kinds of our products were awarded the "Quality product prize " of ministry and Hebei province, "Technical advancement prize" and "Hi-tech product prize" of Hebei province. As an ISO-9000 approved company, we got the import and export license in 1994. At present, our products are well sold in China and over 30 countries, including EU, USA and Southeast Asia, etc.