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| FORGING |
HEAT TREATMENT |
MACHINING |
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WE MAKE HIGH-STRENGTH WHEEL BOLTS AND NUTS FOR CARS AND TRUCKS. OUR TESTING EQUIPMENTS INCLUDE CONSTANT TEMPERATURE INTERMEDIATE FREQUENCY, FORGING PUNCHING MACHINE, GRINDER AND THREAD ROLLER, ETC. HEAT TREATMENTS ARE MADE BY ADVANCED MESH-BELT FURNACE. HARDNESS RANGES FROM 10.9 TO 12.9 GRADE. ALL THE PRODUCTS MEET THE STANDARD OF QC/T358-1999. |
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| 424002 |
424008 |
424009 |
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| 424012 |
B09135 |
B09136 |
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| B09137 |
B09138 |
B09139 |