I am Egyptain live in Saudi Arabia and have company in egypt need to visit Canton Fair

Please advise I register my name through my company in Egypt and I get the invitation from the CANTON AFFAIR, I live here in Said Arabia and working in a company and I need to take the visa from Riyadh, shall I apply for it by my invitation or apply for it as a visitor?, my Iqama is valid here in Saudi Arabia also my company is running here in Egypt.