中文无码精品一区二区三区,欧美亚洲777奇米四色,72人少妇精品导航,777熟女色

Welcome to Fujian Yongjing Technology Co., Ltd. the website!

Yongjing framework

Contact us

Add: 18#, Xin'An Road, Shaowu City, Fujian, China
International Trade Dept.
Tel: +86-599-6655932/6654968
Fax: +86-599-6654591
Home Trade Dept. 
Tel: +86-599-6654866/6654968
Fax: +86-599-6655755
High-purity Chemicals Dept.
Tel: +86-599-6655536/6654968
Fax: +86-599-6655755


Fujian Yongjing Technology Co., Ltd.

Fujian Yongjing Technology Co., Ltd. was founded in 2007. It is a national new and high-tech enterprise specialized in research, production of fluorine containing fine chemicals. The company operates deep processing of AHF materials from Yongfei Chemical, its wholly-owned subsidiary company. There is branch company in Shanghai. Its main business is research and development of fluorine containing liquid crystal and organic chemicals intermediates.

   

Main products

       ●industrial grade sulfur hexafluoride              
       ●electronic grade sulfur hexafluoride

       ●iodine pentafluoride                  
       ●electronic grade carbon tetrafluoride

       ●fluorine nitrogen mixture gas

Copyright(C)2017,Fujian Yongjing Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice

成年人午夜在线免费视频| 偷拍各类美女嘘嘘88av| 强奸乱伦一区二区三区四区五区| 亚洲一区二区三区人人爽| 白色高跟鞋丝袜麻麻呻吟| 八戒观看免费高清电视剧| 小罗莉极品一线天在线| 日韩一区AV电影播放| 91日日干| 俄罗斯13女女破苞视频| 成年日韩片AV在线网站| 风间中文字幕一区二区三区| 亚洲精品中文字幕无码AV| 超碰福利人人| 成人性色生活片免费看爆迷你毛片| 日本老熟妇另类| 国产国一国二wwwwww| 国产黄色大片儿| 欧美不卡一区二区三区| 国产三级在线观看在线播放| 毛片大全视频| 欧美与亚洲一区二区三区| 人妻尝试又粗又大| ipx一369天海翼在线播放| 精品女视频在线观看免费| 性猛交xxxxx按摩中国| 色婷婷久久一区二区三区| 波多野结衣一区免费观看| 欧美xxxx免费虐| 天堂资源一区| 污网站入口在线观看免费| www.免费毛片| 中文字幕爱爱视频| 女人荫蒂被三个男人添视频| 一级一级毛片免费看| 日韩av免费高清无码一区二区三区四区| 男插女人的视频在线观看| 亚洲一区二区女秘书av| 国产色视频一区二区三区qq号| 蜜臀aⅴ国产精品久久久久| 美丽肉奴隷赤坂丽版在线观看|