97人妻碰碰公开人成视频，亚洲AV无码专区一级婬片毛片，国产精品久久久久久，日本在线a一区视频，欧美大片免费在线观看，日韩欧美视频一区二三区在线观看免费，69久久久久久人妻白浆，亚洲va在线∨a天堂va欧美va

<source id="zv0sa"><dfn id="zv0sa"></dfn></source>

HOME

Focus on chemical product manufacturers

HOME

Focus on chemical product manufacturers
ABOUT US

Registered capital is 10 million

ABOUT US

Registered capital is 10 million
PRODUCTS

Alkylbenzenesulfonic acid production and manufacturing

PRODUCTS

Alkylbenzenesulfonic acid production and manufacturing
NEWS

Focus on corporate news

NEWS

Focus on corporate news
APPLICATIONS

For daily chemicals, lubricant additives, textiles Coal mines, oil fields, etc.

APPLICATIONS

For daily chemicals, lubricant additives, textiles Coal mines, oil fields, etc.
CONTACT US

East 57, Xinhua Road, Linyi District, Shandong Province

CONTACT US

East 57, Xinhua Road, Linyi District, Shandong Province

Alkylbenzenesulfonic

Technical Services

HOME ? NEWS ? Technical Services

Use of alkyl benzene sulfonic acid

2018-12-14

Anionic surfactant. It is a synthetic surfactant with a large amount of household detergent due to its low production cost and good performance. It also produces a ......

18-12-14

Basic understanding of alkyl benzene sulfonic acid

2018-12-14

A class of compounds in which a sulfo group is bonded to a hydrocarbon group (including an aryl group). The formula is as shown in the left, wherein R is a hydrocar......

18-12-14

Total 2 1 records Current page / Total 1 10 per page

HomePrevious1NextLast

ABOUT US

Company Profile

Company Culture

Enterprise Honor

NEWS

Industry Information

Technical Support

LINKS

Alkylbenzenesulfonic Acid

ACTIVITY AREA

Copyright ? 2018-2021 Zibo Yujia Chemical Co., Ltd. All rights reserved

xx00欧美极品少妇,岛国视频在线一区二区三区,免费最新在线黄色网站,国产福利在线不卡视频观

<optgroup id="lzevb"><style id="lzevb"></style></optgroup>

<dfn id="lzevb"><font id="lzevb"></font></dfn>

<span id="lzevb"></span>