What are the manufacturers of tenofovir disoproxil fumarate (Viread)?

The original drug Tenofovir Disoproxil Fumarate (Viread) is produced by the Canadian company Gilead Sciences and is marketed overseas. The trade name is Viread, and it has also been marketed in China. Tenofovir Disoproxil Fumarate is produced by other domestic pharmaceutical companies. The price after entering the scope of medical insurance may be around RMB 600. Tenofovir disoproxil fumarate produced by other pharmaceutical companies is also sold overseas. Dolutegravir produced by Indian pharmaceutical companies The price of a fixed-dose group of lamivudine andtenofovir disoproxil fumarate is around RMB 500 (the price may fluctuate due to exchange rates). The drug ingredients and efficacy of the two drugs are basically the same, and patients can choose by themselves.