Sheng Vein Drink herbs raw material origin is good, good quality, the cost is also high, but also the requirements of the production process is also one of the decision cost.

But sometimes it is difficult to decide whether a product is good or bad from the retail price of a product.

In fact, take a step back, even if a bottle of Chun Guang's quality is not as good as Tongrentang, two bottles of total offset it, two bottles of ten dollars.