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.


精品亚洲韩国一区二区三区| 九九九免费观看视频| 熟女少妇丰满一区二区| 欧美日韩精品一区二区在线视频| 午夜福利av无码一区二区| 麻豆精品国产福利在线观看 | 丁香五月激情综合色婷婷| 国产成人综合在线视频| 在线视频国产网址你懂的| 亚洲精品乱码久久久久久日本| 末成年娇小性色xxxxx| 精品无码国产自产在线观看| 精品亚洲麻豆1区2区3区| 亚洲色偷偷综合亚洲AV伊人蜜桃 | 曰本丰满熟妇xxxx性| 成年福利片在线观看| 亚洲人午夜射精精品日韩| 中文字幕v亚洲日本| 老司机导航亚洲精品导航| 亚洲国产精品无码久久久蜜芽| 日本三级电影在线观看| 欧美日本亚洲韩国一区| 精品亚洲成a人在线看片| 新国产三级视频在线播放| 色欲人妻aaaaaaa无码| 成人h动漫精品一区二区| 乌克兰丰满女人a级毛片右手影院| 人人妻人人澡人人爽秒播| 在线观看av片永久免费 | 国产精品内射后入合集| 亚洲国产AV玩弄放荡人妇系列| 国产美女被遭强高潮白浆| 国产亚洲精品久久精品6| 艳妇乳肉潘金莲1—5在线看 | 亚洲欧美日产综合在线网| 水蜜桃国产精品欧美日韩一区不卡| 2021中文日产幕无线| 又大又粗又爽a级毛片免费看| 又粗又紧又湿又爽的视频| 小13箩利洗澡无码视频网站 | 色综合久久中文字幕无码|