As below question, I would like to explain you as below.
1. Current supplier buy this material from Nippon Kinzoku, Thai (destination material Nippon Kinzoku,Japan)
2. For item 1 & 2, I refer it with attached file of inspection certificate of this material. (File : IMG.pdf)
It is easier for understanding.
About of HV of material should be on rang of our specification. If HV of material is lower or over than specification ,
it made parts broken or loosen during assembly. (See file : #PTC-ASM for reference part that assemble in this product)
For price of parts, please up-dated price status as below.
Current Price (P-stopper 3S24F2005) 0.67 Baht/pc == > R/M 0.43 + Charge 0.14 + Barrel 0.10
That’s for all and let me know if need more.