For the purpose of protecting the lawful rights and interests of consumers, manufacturers and sellers, regulating the metrological supervision and administration of quantitatively packed commodities, these Measures are formulated pursuant to the Metrology Law of the People's Republic of China and by reference to the prevailing international practices. Within the territory of the People's Republic of China, the production and selling of quantitatively packed commodities, and the metrological supervision and administration of quantitatively packed commodities shall be in accordance with these Measures. The term "quantitatively packed commodities" as mentioned in these Measures refers to pre-packed commodities for selling with uniform mass, volume, length, acreage, numbering label and other marks within a certain quantitative scope.