Do many companies in Shenzhen pay five insurances and one gold in full?

A lot. There are 505 listed companies and 282,000 small and medium-sized enterprises in Shenzhen, all of which pay five insurances and one gold in full to provide protection for employees. Five insurances and one gold refer to several kinds of security benefits granted to workers by employers. "Five insurances" refer to endowment insurance, medical insurance, unemployment insurance, work injury insurance and maternity insurance, and "one gold" refers to housing accumulation fund.