VOA at Shenzhen for Indian living in Korea, with Korean for 5 months.

Hi, I am Harsh, I am having Korean Visa, for next 5 Months. I want to travel to China, Shenzhen for 5 days and trying to apply for PRC entry permit in Korean Center. However they have a Rule that I need to have at least 6 months VISA for application. Thus in that Case Can I directly apply for VOA when I reach Shenzhen. I already have proper invitation letter from the Company, itinerary, and all tickets are fixed. Do you think there can be a problem?