日韩 无码 偷拍 中文字幕,成人午夜爽A片免费视频,国产成人无码18禁午夜福利P,在线永久看片免费的视频

Hello, welcome to the Jiangsu Ideal Valve Co., Ltd. official website!
TEL:+86-515-87214888      EMAIL:fnjslxfy@163.com      

Low temperature ball valve

Products > Cast steel valve series > Low temperature ball valve

Low temperature ball valve

Use:
Cryogenic ball valves are mainly applicable to chemical devices such as ethylene and liquefied natural gas, and liquid low-temperature medium such as ethylene, liquid oxygen and liquid hydrogen are exported. This kind of medium is not only inflammable and explosive, but also vaporized when heated.
Price: 0.00
shared:

Name
Phone
Email
Corporate name
Address
Leaving Message*
 
Verification code
Submit