"Quality Founding, Improving Keeping, Continuously Providing Satisfactory Products and Service", is the quality policy of Jilong .To ensure continuously providing “Zero Defect” products , many kinds of precision detecting and measuring instruments , such as the spectrum analyzer , the three coordinates measuring instrument , the X-ray flaw detector, the tension tester, the metallurgical microscope, the hardness tester, etc. , are used to inspect the production process and end-products , control the quality risk of production process, and prevent unqualified products from delivering to the customers .

Scientific quality management
From the the establishment of Jilong,we carry on the requirments of ISO90001 quality control system all the time.And implement it in the practical work. During the production, zero defect is Jilong’s requirment.Besides the inspections of supplied material, and the material, facade,and mechanical property of finished products.We also have the stokehold chemical cost test, pouring temperature test, and semifinished product test. In addition,and we control the processing quality by processing first inspection, self-checking ,routing inspection and so on.