蜜臀AV在线播放一区二区三区,久久久精品视频69xx,久久久久久人妻极品99,国产成人无码18禁午夜

永大化工

yongda chemical

ABOUT US

yongda chemical

Xuzhou Yongda Chemical Co., Ltd., founded in April 2004, is located in Sanbao Industrial Park, Tongshan New District, Xuzhou, close to the Beijing Shanghai Railway, Lian Huo Expressway, Beijing Fuzhou Expressway, National Highway 206, and the Beijing Hangzhou Grand Canal. With superior geographical location and convenient transportation, the company has a professional transport fleet of dangerous chemicals, which can ensure quality, quantity, and timely and safe delivery.

The company has strong financial and technical capabilities, covering an area of nearly 100 acres, and has 860 square meters of purification plants of various purification levels. There are currently 128 employees, including 1 doctoral student, 46 undergraduate students, 51 junior college students, 30 high school and below, and 98 professional and technical personnel with junior college or above, accounting for 77%.

The company has an Industrial Products Business Department and an Electronic Chemicals Business Department. The Business Department has a Production Department, a Procurement Department, a Sales Department, a Transportation Department, a Testing Center, a Technology Research and Development Center, a Finance Department, a General Affairs Department and other departments. The Testing Center has inductively coupled plasma Mass Spectrometry (ICP-MS), liquid particle counter, atomic absorption spectroscopy and other internationally advanced analytical and testing equipment. In March 2008, Yongda Chemical successfully passed the verification of the International Organization for the Prohibition of Chemical Weapons (OPCW) and received recognition and praise from the international expert group.

The company's leading electronic chemicals include electronic grade phosphorus oxychloride, with an annual output of 360 t/a, making it a major production base for electronic chemicals in China. Industrial grade phosphorus oxychloride 60000 tons/year, phosphorus trichloride 80000 tons/year, and phosphite 10000 tons/year.

The company's products are mainly used in industries such as solar cells, integrated circuits, discrete devices, LED, and biopharmaceuticals. With advanced production and testing equipment, advanced production technology, and scientific formulas, the company produces high-quality products to serve new and old customers. Our customers' future is our future, providing personalized services to every customer. High quality products are our eternal requirement!

our

products

Mainly engaged in the production of pesticides, pharmaceutical raw materials, and intermediates

HOME  |   ABOUT US  |   SPEECH  |   PRODUCTS  |   FACTORY  |   NEWS  |   ORDER  |   CONTACT  |   中文版

Copyright(C)2023, Xuzhou Yongda Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:蘇ICP備09071720號

欧美啊啊啊啊用力,还要| 男人大屌狠狠插美女91| 国产精品亚洲美女久久久| 被大鸡吧插进逼里操视频| 美女渴望大鸡巴| 五月六月欧美一区二区 | 欧美丝袜激情办公室在线| 日本伦理视频在线观看高清| 日本按摩女高潮喷水视频| 欧美精品区一区二区三区| 逼老师免费看51小视频| 操逼大骚逼视频| 国产 日韩欧美一区二区| 色吊丝最新永久免费观看| 爆艹大奶骚逼网| 国产无圣光一区福利二区| 情事-两姐妹| 无码国产片观看| 男女插鸡巴视频| 国产精品愉拍在线看小宝| 把美女按在床上狂草av| asian极品呦女中国| 伊人伊成久久人综合网站| 我要看操逼的片| 久久久精品人妻免费网站| 又粗又硬又黄有爽的视频| 日本久久久精品免费高清| 淫浪奸荡乱淫影片/视频| 欧美国产一区二区在线观看| 91丨九色丨国产熟女麻豆| 亚洲日本性大片男人天堂| 亚洲欧美中文字日韩二区| 国产胸大美女的av网站| 看看男人操小美女的视频| 熟女少妇无尺码在线观看| 逼逼被爆操视频| 大鸡巴肏日本屄在线观看| 哪里有免费看的黄片少妇| 亚色免费看视频| 51午夜精品免费的视频| 聚色我要色综合|