产品升级 meaning in Chinese

product promotion

I ve heard that your products are guaranteed
关于产品升级的问题
That required a major upgrade
这就迫切需要一次大的产品升级。
Forget your wages and start focusing on product upgrades
先忘了你们的工资，集中精神在产品升级上吧
The notice upgraded about the products
关于产品升级的通知
Do you spend a lot on research and development and upgrade your products each year
你们每年都花很多钱进行研发和产品升级吗？

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