Guangzhou Hong Ling Auto Parts Business Department
Guangzhou Hong Ling Auto Parts Business Department
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Diesel Engine NDC 6D108 6D125 Main Bearing & Con Rod Bearing & camshaft bearing STD For KOMATSU Excavator Spare Parts
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Model |
6D108 6D125 6D140 6D170 |
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Product Name |
Main Bearing & Con Rod Bearing |
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Condition |
NEW |
Quality Control
Raw material test: ingredient analysis, impurities test
Formula finalizing small sample test: enamel fluidity test, chromatic difference analysis, enamel burning experiment acid, and alkali resistance test, glossy, adhesion test etc.
Middle stage product test: magnify experiment simulated operation environment
Destructive testing: impact test, 1500V holiday test, sliced electric microscope analysis
