Is the salary of Vertiv air conditioning after-sales technical support engineers guaranteed?

Vitiv air conditioning after-sales technical support engineers have guaranteed salaries. According to relevant information query, the average salary of engineers at Verti Technology Co., Ltd. is 11,831 yuan/month, of which 50% of the salary income is in the range of 9,000-12,000 yuan/month, and 12% of the salary income is in the range of 6,000-9,000 yuan/month. There are five social insurances and one fund, social insurance and year-end bonus, and the salary is guaranteed.