Mechanical property tester
		Post duties:
			1. Do things seriously and be responsible for the mechanical properties of the ledger and the original test records;
2. Calculate the verification data at the end of the experiment and issue a test report in time;
3. The person in charge of rationalization should do the physical and chemical work of raw materials and welding test panels and process evaluation;
4. Other work arranged by the leadership.		
Tenure requirements:
			1. Technical secondary school or above in materials or mechanics;
2. Familiar with test method standards and familiar with office software;
3. Hard work, can complete the task in time.		
Number of recruits:
			Several