Which part of Shenzhen has more hardware engineers?

There are many hardware engineers in Pingshan District of Shenzhen. According to relevant information, Shenzhen hardware engineers are well paid and the company benefits a lot. Shenzhen, referred to as Pengcheng for short, is a sub-provincial city, a city under separate state planning, a megacity in Guangdong Province, a China Special Economic Zone approved by the State Council, a national economic center city and an international city.