How much and how long does Yangzhou Weiyang Food Company recruit?

The company posts recruitment information on a recruitment website for reference:

Company name: Yangzhou Weiyang Bean Products Co., Ltd.

Requirements: The operators who have served our company for a long time are healthy, hardworking and obedient. Yangzhou area is preferred. Male employees: under 50 years old; Female employees: under 40 years old. Treatment: fixed post salary: 2500-3500 yuan/month; Piece rate: 3000-5000 yuan/month. Pay social security after employment. The canteen provides three meals; People outside the city provide free accommodation; Couples provide husband and wife rooms.