Qihang Wellhead Xmas Trees
Qihang's Doosan CNC Machinery
Qihang's CNC machinery
Qihang's CNC Machinery
Drilling Machinery
Qihang's heat treatment facilitites
Qihang's heat treatment factory
Pressure Testing of API-6A Gate Valves
HH class valves automatic welding robots
HH Class valve inner wall auto welding robot
Qihang's HVOF surface coating equipment
Non-Destructive Ultrasonic Testing
Non-Destructive Liquid Penetrant Inspection
Non-Destructive Liquid Penetant Examiniation
HVOF Surface Coating
Qihang's Plasma Welding Equipment
Measuring of products
Qihang's test/inspection laboratory
