Regarding the quality control of Grand Metal , our products need to go through a series of strict quality control from production to delivery, including thickness testing, tensile testing, tensile testing, surface testing, color difference testing, packaging testing, etc. to ensure Our products are safely delivered to customers.
Bending Test
![]()
Chemical Composition Test
![]()
Hardness Test
![]()
Metallographic Test
![]()
Steel Grade Test
![]()
Thickness Detection
![]()


