M: RMB, amount. 1. Yes, this price is very sensitive, and then the whole price of our products is not high, and cartons don't want to spend the following expenses. From the quality point of view, if there are many cycles for changing other materials, for example, if this plastic carton is used, it can be recycled many times. I think it is also a research direction, and there should be no great challenge for the sustainable development of plastic cartons in the environment.
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