Dear Anil,
When you got any offer from Lubumbashi, Please confirm everything from company.
Salary is good because most of companies are offers net saving salary.
Other perks extra provided by company. ( Transportation, Medical, Visa, Air Ticket, food allowance, Accommodation).
Which company you have offer ?, I have checked here and inform you.
Currently since last 5 years I have been Congo. Lubumbashi is very safe and Many expat here working.
Please keep in touch.
Skype : krunal.trivedi1