亚洲精品一区二区三区四区五区_日本特黄特黄刺激大片_国产美女裸体无遮挡免费视频_97在线精品视频免费_亚洲乱亚洲乱妇无码麻豆_国产成人麻豆亚洲综合精品_性少妇freesexvideos强迫_免费无码黄网站在线观看_欧美俄罗斯40老熟妇_
<fieldset id="yccme"><tr id="yccme"></tr></fieldset>
<fieldset id="yccme"><small id="yccme"></small></fieldset>
<kbd id="yccme"><ul id="yccme"></ul></kbd>
<delect id="yccme"></delect>
<code id="yccme"><cite id="yccme"></cite></code>
<source id="yccme"></source>
<noscript id="yccme"></noscript>
<em id="yccme"><ul id="yccme"></ul></em>
Chinese
Search
Home
About Us
Chairman’s address
Company Profile
Culture
History
Honor& Qualification
Partnership
Subsidiaries
Gas Products
Product Center
Media Center
Company News
Industry News
Video
Gas knowledge
Investors
Periodic Report
Stock
Social Responsibilities
Careers
Talents principle
Employee Welfare
Join us
Contact Us
Contact us
Online Message
C2H4
Product Name：Ethylene
CAS Number: 74-85-1 UN Number:1962 Cylinder size: 40L, 47L, 50L Valve type: CGA350, DIN1, QF-30, W22H, BS-4 Purity grade: 99.5~99.999%
Return to list
Product Details
氣瓶容積：
40升
充裝壓力：
交貨方式：
工廠交貨/送貨上門
