when was the nationwide ban on plastic bags put into practic

when was the nationwide ban on plastic bags put into practic when you buy things,they (usually put)in plastic bags at the put into place a ban on sth. china government decide to ban plastic bags Perhaps you get free plastic bags when you shop at the super plastic bags I would like to make a comment on the plastic bags which we I tell about the effect a tax on plastic bags is having in c 英语翻译China will ban free plastic bags common at shops and sup i picked up the bags and put them into the dustbin nearby Danny and Brian put the garbage into the bags for recycling >· Seal Number that was put on at the factory when the truck