HL Cryogenic Equipment has been engaged in cryogenic application industry for 30 years. Through a large number of international project cooperation, Chengdu Holy has established a set of Enterprise Standard and Enterprise Quality Management System based on the international standards of Vacuum Insulation Piping System. The Enterprise Quality Management System consists of a Quality Manual, dozens of Procedure Documents, dozens of Operation Instructions and dozens of Administrative Rules, and constantly update according to the actual work.
During this period, HL passed International Gases Companies’ (inc. Air Liquide, Linde, AP, Messer, BOC) on-site audit and became their qualified supplier. International Gases Companies respectively authorized HL to produce with its standards for its projects. The quality of HL products has reached the international level.
ISO9001 Quality Management System Certification Certificate was authorized, and timely recheck the certificate as required.
HL has obtained ASME qualification for Welders, Welding Procedure Specification (WPS) and Non-destructive Inspection.
The ASME quality system certification was authorized.
The CE Marking Certificate of PED (Pressure Equipment Directive) was authorized.
Metallic Element Spectroscopic Analyzer
Ferrite Detector
OD and wall thickness inspection
Cleaning Room
Ultrasonic Cleaning Instrument
High Temperature and Pressure Cleaning Machine of Pipe
Drying Room of Heated Pure Nitrogen
Analyzer of Oil Concentration
Pipe Bevelling Machine for Welding
Independent Winding Room of Insulation Material
Argon Fluoride Welding Machine & Area
Vacuum Leak Detectors of Helium Mass Spectrometry
Weld Internal Forming Endoscope
X-ray Nondestructive Inspection Room
X-ray Nondestructive Inspector
Storage of Pressure Unit
Compensator Dryer
Vacuum Tank of Liquid Nitrogen
Vacuum Machine
