How to settle the wages of overseas companies in China Railway 20th Bureau?

Basic salary plus subsidy multiplied by 2.0/2.8. The enrollment information released by overseas companies in China Railway 20th Bureau shows that the salary of overseas projects is 2.0-2.8 times that of the same position in China, that is, in addition to the basic salary and subsidies, it has to be multiplied by 2.0/2.8 times, that is, the basic salary plus subsidies is multiplied by 2.0/2.8 times. China Railway 20th Bureau's overseas companies should give full play to their brand advantages and dig deep into the national market.