Hi Zhengyu,
I too am anxious for the Trumpeter release of the Type 89 MICV. However, I just checked HLJ, and the Pit-Road kit is priced at 4500 Yen, which is $37.38 USD. Actually not a bad price for a Pit-Road kit.
Thought I'd pass that on. {but I'm still going to wait for the Trumpeter release!"
Dave