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+ To supply the stable qualty products depends on the strict quality control system and

professional inspection rules.The reliable quality is the life of enterprise,also means the

duty and honor.


We strictly supervise the production procedure,includes quick forging,hot expansion,

hot drilling,cold dawning,cold rolling,heat treatment,hot extrusion.After finishing the

production,we do the below inspection:

O.D tolerance

W.T tolerance

LENGTH tolerance


100% PMI

Mechanical properties testing

Ultrasonic testing

Eddy current testing

Hydro testing

Penetration test


ANSONMETAL supplies the following quality assurances:
Separate Quality Department
ISO Certified
PED certified
Total Quality Management System
International standards (ASME, TUV, PED)
Certification 3.1. and 3.2
All material: 100% PMI, Dual certified ASTM/ASME and NACE MR01-75/01-03
Inspections and additional testing when required

The thid party inspection

If the customer needs the 3.2 certificate,we will closely cooperate with the third

party inspection agent -TUV NORD,TUV Engineering in the past years.


We closely cooperate with our professional inspection partner to strictly control the

quality,and improves the quality manage system,guaranteed the good delivery each

time.It is proves ANSONMETAL is worthy of trusting and will be the strategic partner

of the supplying chains.








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