国产av一区二区三区传媒,国产麻豆剧传媒精品国产av ,国产一区二区三区不卡av,国产呦系列呦交

Telephone:+(86)-(411)-87260188

Founded in 1984, Dalian JinShi Zinc Oxide Co., Ltd. is a professional manufacturer of zinc oxide with abundant experience. We governs assets of 70 million Yuan. Among 89employees, there are 22 professionals dedicated in technological and scientific research. Our company produces zinc oxide of 47,000T each year by virtue of leading-edge technologies in the world.

Our company keeps on “making credible transactions, developing advanced technologies, strictly controlling quality, and caring for customers’ demands”. The “GoldenStone” “Jinshi” zinc oxide is completely made of high-quality 0#distilled zinc ingots (zinc content≥99.995%). In addition, we track and detect the whole production process from preparation to delivery using professional detection instruments such as atomic absorption spectrometer, laser particle analyzer and specific surface area analyzer. In this way, we guarantee stable and reliable quality. Furthermore, our company has obtained the qualification of “Exemption of Export Inspection” issued by General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China. Our products are also rated as “Excellent Products with High Quality” by the Ministry of Chemical Industry of the People’s Republic of China.

Involving rubber, medicine, coating, printing ink, printing and dyeing, ceramic, papermaking, glass, plastic, forage, magnetic materials, high-energy storage battery, and natural gas desulphurization, our products have been exported to over 30 countries and areas including America, UK, Japan, and Australia. Till now, our company has established long-term and stable partnership with over 300 large and medium enterprises both at home and abroad. Over 20 partners of our company rank among “World Top 500” and are very famous in domestic and foreign markets. “GoldenStone”  “Jinshi” products have gradually become famous in the industry.

Insisting on “creating good quality, perfecting services and sharing benefits”, our company will keep on making further progress by virtue of the advanced technological advantages. We expect to create win-win profits with all the customers, partners and employees by virtue of our powerful strength and high reputation.


免费做A爰片久久毛片A片下载 | 新版中文在线官网| 纯爱无遮挡h肉动漫在线播放| 欧美丰满熟妇xxxx| 国产成人精品视频一区二区三| 天天天天躁天天爱天天碰 | 久久人人爽人人人人片av| 与动物性万乱理论片| 一本精品99久久精品77| 激动网色视频| 久久99国产精品二区| 中文天堂网在线最新版| 中文字幕人妻色偷偷久久| 日本爽快片18禁片免费久久| 宝贝过来趴好张开腿让我看看| 亚洲一区波多野结衣在线app| 国产免费看插插插视频| 欧美日本日韩aⅴ在线视频| 国产午夜福利在线观看h| freexxxxhd国语对白| 麻花传剧mv在线看高清| 国产精品自在在线午夜精华在线| 男女交性配全过程无遮挡| 亚洲一区二区三区日本久久九 | 蜜臀av性久久久久蜜臀aⅴ| 国产美女高潮流白浆免费观看| 国语自产少妇精品视频蜜桃| 精品一区二区三区影院在线午夜| 精产国品一二三产品区别视频| 亚洲国产精品人人做人人爱| 激情毛片无码专区| 波多野结衣初尝黑人巨大| 久久久久久久精品免费老鸭窝| 人妻丰满av无码久久不卡| 国产成人精品日本亚洲第一区| 囯产精品一品二区三区| 欧美人与动牲交视频| 88久久精品无码一区二区毛片| 另类 亚洲 图片 激情 欧美| 国内精品卡1卡2卡区别| 好吊妞国产欧美日韩免费观看|