Atlas, Quincy and Bolet air compressors, which one is better in terms of operation stability and maintenance cost performance? Thank you!

Among the imported air compressors on the market, I think Bolet is the most cost-effective brand among all foreign air compressors. His wholly-owned factory in Shanghai is the largest among all air compressor manufacturers in Shanghai, and its sales volume is also increasing year by year. The market reputation is really good. If the landlord wants to purchase an air compressor, I suggest you buy Bolet, which not only has low purchase cost, but also has low maintenance cost. The air compressor we want to buy costs less and gets better. By the way, I used their air compressor, not the gunman! )