There are the most such enterprises in Tianjin Development Zone, and there are also many in Guangzhou and Shanghai.
You can go to the job fair yourself.
You can also visit the talent network in Tianjin.
You can also find the phone and call the human resources department of the enterprise directly to apply for a job.
good luck
To go to Ningbo, Ningbo's mold industry is very developed, and China Mold City is in Yuyao! Beilun and Cixi in Ningbo are very good places, which should be useful to you, and the salary there is also very high.
What is the salary of the company that the school is looking for?
Generally in Jiangsu and Zhejiang, the salary will be higher.