About Us
ESG Management
KUMAH STEEL adheres to efficient and rigorous production processes.
From raw material receipt to handling, storage, processing, and inspection, a strict quality control system is applied throughout every stage of production. We continuously inspect and optimize each process to deliver high-quality products to our customers.
Process Flow
- 01
Raw Material Receipt
- 02
Raw Material Handling & Storage
- 03
Incoming Inspection
- 04
Processing (Shearing)
- 05
Outgoing Inspection
- 06
Shipment
01Master Coil Incoming Inspection
02Master Coil Inspection
03Slitter
04Embossing
05Shearing
06Stacking
07Outgoing Inspection
08Packing
09Handling / Storage
10Shipment
| Process | Equipment | Operation | Control Criteria | Measurement Method | Frequency | Corrective Action | Responsibility |
|---|---|---|---|---|---|---|---|
| Raw Material Receipt | Forklift | - Unloading coils from trucks | - No coil deformation - Packaging in good condition |
Visual | Upon receipt | Return | Materials |
| Raw Material Handling & Storage |
Hoist | - Unpacking coils - Transfer to storage warehouse |
- No damage during unpacking and handling | Visual | Upon receipt | Reject damaged parts | Production |
| Incoming Inspection |
Color Difference Meter Tensile Tester Impact Tester |
- Color difference inspection - TS, YP, EL testing - Coating inspection |
- Meets color difference specifications - Meets physical property specifications - No coating peeling |
Color Meter Tensile Tester Impact Tester |
1 EA / Coil | Return | Q.C |
| Processing (Shearing) |
Rotary Shearing Line | - Processing to sheet specifications |
- Dimensional accuracy maintained - Defects sorted during shearing |
Tape Measure Micrometer Visual |
100% | Reject | Production Q.C |
| Outgoing Inspection | Packing Process | - Product inspection during packing |
- Dimensional accuracy maintained - Sheet surface condition acceptable - Proper stacking condition |
Tape Measure Micrometer Visual |
1 P/T (250 Sheets) | Reject | Production Q.C |
| Shipment | Forklift | - Shipping products | - No damage during truck loading | Visual | At shipment | Shipment blocked | Materials |