News
Your location is:News >> Technical knowledge
  • 2020-9-25
    Chemical valve selection
    Corrosion has long been one of the most troublesome hazards of chemical equipment. A slight mistake can damage the equipment, or even cause accidents or disasters.

  • 2020-7-16
    How to identify valve identification paint?
    The outer surface of the valve should be painted out of the factory, the paint layer should be durable, beautiful rules, and ensure that the mark is clear.

Page 1 / 1 total 2 records Frist | Previous | Next | Last
0086 13601379885
qrCode
ya56585看片,米奇影院888奇米色,日本黄色一级电影片,大香免费视频,欧美日韩成人在线播放,草莓午夜福利视频,亚洲美女免费观看,