There are some countries accept Chinese get VISA on arrival. However that is one side policy. It means I could not leave China by showing them on line application of VISA on arrival. It is for those Chinese already at third country or have VISA for third country and will travel to third country first then to Vietnam. There are many tourist group doing this for example they travel to Thailand by using Thailand issued VISA, then from Thailand to Vietnam they just fly to Vietnam and get VISA on arrival. In Asia, what I know is Indonesia’s VISA on arrival for Chinese is officially accepted by Chinese government.
It takes 4 working days to get Vietnam VISA. I saw customer told Jakkapan the installation needs be postponed to early Sep.
I have scheduled sales visit to Taiwan next week. After going back to China, I could apply for a Vietnam VISA.