Dear Sarinya,
The delivery for SWRCH10A will be around end of April.
If you confirm you can accept this delivery, we will place order to CSC.
Again, we don't keep such big size wire rod in our inventory because not many people buy big size.
For(Nippon steel) SCM435H 4.88mm, the normal wire rod size is 5.5mm, but we don't have this size.
we will use wire rod 8mm to do double annealing for you.
This is only way I can help you, and the delivery will be by Mid march.
If you have other inquiries, please let me know as well.
We purchase raw material at the beginning of each month.
Let me know if you have any other question.