How to describe the good quality and low price of products year-on-year?

You can use cheap, genuine, value for money, cost-effective, the best but not the most expensive, first-class quality and second-rate price, professional technology, mass consumption and so on.

Cheap and good quality

Pronunciation: w OMI Jia Lián

Source: Strange situation in recent ten years

Explanation: Cheap. Things are cheap and of good quality.

This supermarket is cheap and good, and many customers come every day.

2. Authentic products

Pronunciation: huo zhn Jiàshí

Source: the strange status quo witnessed in 20 years

Explanation: Things are true, true.

Sentence: this thing is not mixed with anything, and the price is not expensive at all. It's really genuine.

3. Equivalence

Pronunciation: w chāo suǒzhi

Explanation: refers to something beyond its original value and describes the high cost performance of the material.

Sentence making: Obviously, the review materials purchased this time are worth it.