国产精品欧美日本韩国_国产视频永久a级毛片_a片视频全免费观看在线看无需下载_亚洲三级日韩经典_亚洲不卡网站一区二区三区_国产无遮挡裸体美女视频_亚欧美国产有线视频_手机A级毛片免费视频_成人在线网址观看_四虎免费观看国产

Product center

Product center

diaphragm
diaphragm
Metering Pump Accessories
diaphragm

Working Principle:

 

PTFE adopts multi-directional roller quenching treatment, which improves the toughness of the diaphragm and prolongs the service life of the diaphragm; single diaphragm, double diaphragm, triple diaphragm, etc. are available.


return