Foreign Inspection Standards
  • May 3rd 2023

Foreign Inspection Standards

Nowadays, there are two commonly used inspection standards for LNG valves abroad, one is the European standard, the ot……

Valve Casting Defect
  • May 3rd 2023

Valve Casting Defect

Due to the casting process used in valve production, some defects such as blisters, pores, loose pores, slag holes, et……

Improve the Ability of Inspection Personnel in All Aspects
  • May 3rd 2023

Improve the Ability of Inspection

Improving the ability of all aspects of the inspectors is an important factor in improving the quality of the laborato……

May-Happy Labor’s Day
  • April 29th 2023

May-Happy Labor’s Day

To celebrate the approaching Labor’s day, our comany will be off during 1st-2nd May. Please contact us by email……

Plasma Spraying Technology
  • April 24th 2023

Plasma Spraying Technology

Plasma spraying technology is a kind of technology that can strengthen or change the surface properties of the substra……

Cause Analysis of Valve Internal Leakage
  • April 24th 2023

Cause Analysis of Valve Internal L

The first cause of valve internal leakage is the improper valve design and selection. The designer did not comprehensi……

Valve Internal Leakage Temperature Method
  • April 17th 2023

Valve Internal Leakage Temperature

When the valve has working medium leakage, especially the high temperature valve or low temperature valve, the heat em……

Improvement Effect of Valve Sealing Structure
  • April 17th 2023

Improvement Effect of Valve Sealin

From the improvement of the valve sealing structure can be seen that, after the actual application, there is a relativ……