It's different. The tax code of anthracite is 270 1 1 100, and the tax code of coke powder is10701030000000, so it is different. Tax code means that in the upgraded version of VAT invoice, the goods on the taxpayer's face should be associated with the tax code approved by State Taxation Administration of The People's Republic of China, and the invoice should be issued according to the tax rate and collection rate indicated on the classification code.