It depends on what you do, whether you want to open a small store or become a big agent. Small stores that do a good job of after-sales service will gradually attract more customers. Big agents tend to run projects, design institutes, etc., and travel everywhere, but they feel they earn more, but you need to know this business knowledge and it is better to have your own team of construction.
It is better to be a big brand, which is safer in all respects.
Tsinghua Sunshine solar energy,
has been used for many years and has been very good. There are also specialized maintenance companies in Qingdao. There are too many solar power brands now. our family bought it, there are only one or two manufacturers, such as Tsinghua University and Huangming University. The reason I chose it is because theyt said this technology was developed by Tsinghua University. the price is quite high, so I was reluctant to buy it at that time. Yes, but after using it, I feel that it is not in vain. There seems to be a store in Liaoning. Road decoration city (near the cultural market)