Qualifing on material supplier
Analysis and examine on chemical composition
Periodically check on inverntory load

Production technique approving
Sampling and examining chemical composition
Furnace temperature monitoring
Heat time track

Mould size checking
Casting techniuqe design and approve
Flow speed control
Casting temperature monitoring

Heating technique design
Furnace temperature monitoring
Heating and cooling rate control
Heating time guarantee

Converted drawing examination
Insert and tooling selection
Machining accuracy check
periodically check on calibration tools

Visual inspection
Dimension check
Hardness test
Microstructure observe
UT,Magnetic or DP flaw detection
Mechanical property test

Patented packing to best protect rolls during transportation
Well labled shipping marks
Recyclable rack and wooden case
Custom-designed stack scheme to serve storage purpose

HMR’s performance is valued
by customer satisfaction.