Hello,
1 - That's is not the product name and that's related to your HikaShop configuration regarding the product code ; not HikaMarket.
2 - I would recommend you to deactivate the usage of "chosen" in your HikaShop configuration.
You can also edit the "form_price" view and replace
window.productMgr.cpt['<?php echo $form_key; ?>'] = <?php echo count(@$this->product->prices); ?>;
By
window.productMgr.cpt['<?php echo $form_key; ?>'] = <?php echo count(@$this->product->prices); ?>;
window.hikashop.ready(function(){ hikamarket.noChzn(); });
In order to force the call of the JS function which will remove the chosen on HikaMarket dropdowns.
3 - Do you have a tax category set-up for the product ? What are the rules for that tax category ?
I tried to reproduce your issue in my local website but, even if the tax category is not editable by the vendor, the value stored in the product is right available in the JavaScript and the Ajax call is working good ; giving me a price with a tax as it should.
So I would need more details to understand the nature of the issue ; and maybe a vendor access to be able to see it directly.
4 - I'm sorry but that question is related to HikaShop and the configuration of your taxes.
Regards,