How is the quality of birdie electric car? What electric car has the best quality?

I am an electric vehicle engineer from Wuxi Epson. It must be a bird electric car, and the simple electric car is mainly from Tianjin. At present, the electric vehicles with good quality and sales performance on the market are: A: Wuxi has: Beijing Xinri Manufacturing Co., Ltd., Wuxi Shengbao Electric Vehicle Manufacturing Co., Ltd., Oupai, Wuxi Dongshi Yadea Technology Co., Ltd., Wuxi Tianjue Locomotive Technology Co., Ltd., Jiangsu Eidson Locomotive Manufacturing Co., Ltd., Bidewen Electric Vehicle Manufacturing Co., Ltd., Jiangsu New Century Locomotive Technology Co., Ltd. and Wuxi Epson Electric Vehicle Co., Ltd.; Changzhou has: Changzhou Aosi Electric Vehicle Co., Ltd., Changzhou Luneng Electric Vehicle Development Co., Ltd., Changzhou Jade Bird Electric Vehicle Manufacturing Co., Ltd., Changzhou Hongdu Electric Vehicle Co., Ltd. and Changzhou Supai Cycling Electric Vehicle Co., Ltd.; Tianjin has: Tianjin Gefei Invincible Electric Vehicle Co., Ltd., Tianjin Taifengniao Electric Vehicle Co., Ltd., Tianjin Yilaida Electric Vehicle Co., Ltd., Tianjin Talang Electric Vehicle Co., Ltd. and Tianjin Celebrity Vehicle Co., Ltd.; Others include: Shanghai Tong Lingzhi Electric Vehicle Co., Ltd. True Love, Shanghai Xindazhou Electric Vehicle Co., Ltd. Paile, Shanghai Chituma Electric Vehicle Co., Ltd., Nanjing Continental Pigeon High-tech Co., Ltd., Suzhou Little Antelope Electric Vehicle Co., Ltd. Tengling, Shandong Ingrid Electric Vehicle Co., Ltd., etc. There are several points for reference when buying electric vehicles: 1, the frame, the simple type depends on whether the welding is uniform, whether the front and rear wheels are in a line, and whether the body is crooked The pedal luxury type must be widened and weighted flat fork. 2, paint depends on the fullness and brightness of the paint. 3. Look at the brand awareness of the car. The key components of influential manufacturers have their own trademarks, such as meters, knobs, brake handles, motors, guard bars, foot pads, cushions, trunk and so on. 4. Key configuration. Good quality controllers: Tianjin Zheng Song Electronics Co., Ltd., Changzhou Yitong Electronics Co., Ltd., Wuxi Jinghui Electronics Co., Ltd., Shanghai Aneda Drive Technology Co., Ltd.; The batteries are mainly Tianneng and Wei Chao. The most important thing is that if you master it, you won't go wrong!