Nonetheless, he believes the industry should be optimistic about China.
"The expansion of the market will be guided by the number of people who have enough money to buy a car, and that number will grow."
The economic slowdown is also having an impact on the luxury goods market and there are concerns that the share crash will make it worse.
"The luxury market has been in slowdown mode since 2012, the start of the anti-corruption campaign," says Liz Flora, editor-in-chief of Jing Daily, a website covering the luxury industry in China.
At the Gucci store at the IAPM shopping centre on Huaihai Rd in Shanghai on Friday, there were no customers. It is the largest Gucci store in China.
In the Prada store there were a few customers looking at bags but they were outnumbered by staff by two to one. In contrast, the shopping centre itself was buzzing, with many people strolling around, and the food court was doing brisk business.
Wang Cheng was heading to the Nike store and said he didn't think most people were there to shop. "Most are here for the air conditioning," he laughed. Temperatures this summer have hit almost 40C.
The numbers
5.3 per cent fall in car sales in June from May.
3 per cent rise in sales forecast for this year.
14 per cent fall in Shanghai Composite Index in July.
- Observer