Dear Khun Nichada
Good Afternoon,
Please see the documents for Test Result Decarburization Layer and Special Inspection Report from Thai Tohken Thermo (Ref. Item QA-2) and Control plan for Mass Production of Part: 4100 (Ref. Item QA-5) as attach file.
If you have any question, please contact to me any time.
Best Regards,
Nittaya