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Manufacturing Process 
 
1：--MATERIAL
 
2:--0
 
3:--WEIGHTING
 
4:--HEATING
 
5:--FORGING
 
6:--O
 
7:--CHECKING
 
8:--HEAT TREATMENT
 
9:--CUTTING
 
10:--O
 
11:--
 
12:--
 
13:--
 
14:--
 
15：--
 
16：--
 
17:--
 
18:--
 
19:--

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