Hello,
I just checked your requirements, I can help you to simple modification to product detail page and a little bit custom code to add a extra slider to product slider tab and fulfill your all requirements with 100% quality and on time. As I am highly skilled Magento-2 Developer. I am excellent with Magento-2 Development/Customization, Magento-2 Modules, Themes, Frontend/Backend etc and can handle any issue related to it.
As per your requirements, I have some queries. Please message me once you're available.
Regards;