we have passed the certification of ISO9001:2000 quality managenment system, with very strict production technology track management 
system and quality examination system to ensure good quality of products.

All of our sources are strictly qualified by GAOTON basing on following:
Reference customer drawings or other requirements
Qualification certificates
Raw material control and production process control
Operation status of their quality system
Certificates of inspectors
Production Facilities
Production and test instruments

We provide various test facilities as the customer asked for:
Chemical analysis, 
Physical analysis
Tensile Strength, Yield Strength, Elongation rate, Impact Test, Hardness Test, Metallographic analysis, 
Non-Destructive tests
Dye-Penetrant, Ultrasonic, Magnetic particle, Radiography, surface roughness tester