current position：home >> news
news center
- who will have the last laugh when three barrels of oil marches into urban gas?2020/9/4
- the 12th shanghai chemical equipment launch enables the domestic big cycle of chemical industry2020/8/28
- difference and selection of high platform ball valve and common ball valve2020/8/21
- the 21st china environmental expo opens in shanghai2020/8/14
- fluorine lined valves are subject to environmental requirements2020/8/7
- international standard workshop on bolted bonnet steel gate valves for industrial valves was held in yongjia, zhejiang province2020/7/31
- oil and gas exploration goes deep2020/7/25
- what is the applicable medium temperature for different valve body and bonnet materials?2020/7/17
- how to identify valve identification paint?2020/7/10
- summary of api standard updates (january-june 2020)2020/7/3
- which is better for globe valves low in, high out or high in, low out?2020/6/26
- temperature of packing and gasket commonly used in valves2020/6/19
- domestic valve vs inlet valve, how would you choose?2020/6/12
- 12th shanghai international exhibition of industrial pumps, valves and piping2020/6/5
- material comparison of several commonly used rubber sealing rings for valves2020/5/29