How about Mingdian universal battery?

Yes, it's good. Founded in 2005, Shenzhen Mingdian Global Technology Co., Ltd. is a high-tech private green energy technology enterprise integrating independent research and development, production and sales. The company is located in Pengcheng, close to Hong Kong, Guangzhou, Zhuhai, Macao and other economically developed cities, with obvious regional economic advantages. The company's existing production base covers an area of nearly 8,000 square meters, with nearly 300 employees and nearly 20 engineering and R&D personnel. The company has established the R&D and production center of Shenzhen lithium ion battery and mobile power R&D and production center, and has first-class equipment and technology development and production management personnel (lithium battery production equipment, quality inspection equipment, advanced modern production line and laboratory, air conditioning constant temperature and humidity workshop).