Look up per diem reimbursement rates and mileage deductions for business travel worldwide.

Complete
China → Brazil
Item Name Destination Amount Conditions
Lodging Brasilia, Brazil 160 USD per night Lodging cap per person per day for bureau/director-level (厅局级) and below staff in standard rooms, reimbursed against receipts within the cap; provincial/ministerial-level (省部级) officials may stay in an ordinary suite with actual-cost reimbursement; hotel service charges levied at a fixed percentage are reimbursed at cost, otherwise up to 5% of the lodging cost.
Meals Brasilia, Brazil 50 USD per day Meal allowance (伙食费) per person per calendar day counted between the days of leaving and re-entering China; paid to individuals as a lump sum or managed centrally by the delegation; not payable when the foreign host provides meals in cash or in kind.
Incidentals Brasilia, Brazil 45 USD per day Incidentals allowance (公杂费) per person per calendar day covering local transport, post and telecommunications, office supplies and necessary tips; when the foreign host provides transport only, staff may draw 40% of this standard.
Lodging Sao Paulo, Brazil 240 USD per night Lodging cap per person per day for bureau/director-level (厅局级) and below staff in standard rooms, reimbursed against receipts within the cap; provincial/ministerial-level (省部级) officials may stay in an ordinary suite with actual-cost reimbursement; hotel service charges levied at a fixed percentage are reimbursed at cost, otherwise up to 5% of the lodging cost.
Meals Sao Paulo, Brazil 50 USD per day Meal allowance (伙食费) per person per calendar day counted between the days of leaving and re-entering China; paid to individuals as a lump sum or managed centrally by the delegation; not payable when the foreign host provides meals in cash or in kind.
Incidentals Sao Paulo, Brazil 45 USD per day Incidentals allowance (公杂费) per person per calendar day covering local transport, post and telecommunications, office supplies and necessary tips; when the foreign host provides transport only, staff may draw 40% of this standard.
Lodging Rio de Janeiro, Brazil 260 USD per night Lodging cap per person per day for bureau/director-level (厅局级) and below staff in standard rooms, reimbursed against receipts within the cap; provincial/ministerial-level (省部级) officials may stay in an ordinary suite with actual-cost reimbursement; hotel service charges levied at a fixed percentage are reimbursed at cost, otherwise up to 5% of the lodging cost.
Meals Rio de Janeiro, Brazil 50 USD per day Meal allowance (伙食费) per person per calendar day counted between the days of leaving and re-entering China; paid to individuals as a lump sum or managed centrally by the delegation; not payable when the foreign host provides meals in cash or in kind.
Incidentals Rio de Janeiro, Brazil 45 USD per day Incidentals allowance (公杂费) per person per calendar day covering local transport, post and telecommunications, office supplies and necessary tips; when the foreign host provides transport only, staff may draw 40% of this standard.
Lodging All Other, Brazil 150 USD per night Lodging cap per person per day for bureau/director-level (厅局级) and below staff in standard rooms, reimbursed against receipts within the cap; provincial/ministerial-level (省部级) officials may stay in an ordinary suite with actual-cost reimbursement; hotel service charges levied at a fixed percentage are reimbursed at cost, otherwise up to 5% of the lodging cost.; Applies to cities in Brazil other than those with a separately listed city rate in the official standards table.
Meals All Other, Brazil 50 USD per day Meal allowance (伙食费) per person per calendar day counted between the days of leaving and re-entering China; paid to individuals as a lump sum or managed centrally by the delegation; not payable when the foreign host provides meals in cash or in kind.; Applies to cities in Brazil other than those with a separately listed city rate in the official standards table.
Incidentals All Other, Brazil 45 USD per day Incidentals allowance (公杂费) per person per calendar day covering local transport, post and telecommunications, office supplies and necessary tips; when the foreign host provides transport only, staff may draw 40% of this standard.; Applies to cities in Brazil other than those with a separately listed city rate in the official standards table.

Source URL:
http://www.iap.cas.cn/gb/jgsz/glxt/jhcwc/clhysg/gh/202012/P020201230760911279038.pdf
This source provides official travel rate information from iap.cas.cn.