Quality Control

Good Rich utilizes premium stainless sheet raw material made by JFE and NSSC, Japan. Our certification include

ISO 9001-2000 and others. Good Rich provides accurate production through several "Quality Assurance Tests" during the production to ensure our products have the highest quality.

In addition, Good Rich's production process meets JIS / AISI standards. Good Rich insists to achieve 100% customer satisfaction by providing the best products through precise quality management and intensive quality control.

Quality Inspection
Electric Gauge ERW Thermal Controller
Radial Expansion Cone Expansion Flattening test
Test & Examination
Bending Angle:1800
Inner R=2 OD
No Crack & Concave
CNC, Stand-Bending Maching
Cone Expansion:
Using cone to expand at angle 600products achieve 1.2OD.
(Guarantee 1.2 OD)

Radial Expansion:
Products are expanded to 1.13OD. (Guarantee 1.13OD)
Various Processed Products
Tube Spec.: OD45.0x2.0

Bending angle : 180°C
(Bending inner R 1 OD)
Tube Spec.: OD 60.5x1.2x60 mm

One end from 60.5 shrunk to 41.3mm.
The other end from 60.5 expanded 96.0mm.
Tube Spec.: OD28.6x1.5

One end from 28.6 shrunk to 25.4mm.
The other end from 28.6 expanded to 31.8mm,
Three bending processes, middle one’s inner R is 2OD.