Three, the material of every batch casting lost wax casting requirements documents should have reserves in the quality control department, after comparing test results and requirements when the furnace can judge whether the chemical composition requirements.Four, for the user in processing all kinds of internal defects should be found after check in time and to determine the date of production, as the inspection data to change the inspection report and timely advice section technician to improve process.Five, the lost wax casting inspection found that the problem is more serious products only in the factory after forcibly delivery request, after the general manager and the written consent of licensor can be used as emergency release a factory.Six, lost wax casting, once found leak casting factory is responsible qc inspector, inspection after the waste and not repair products responsibility lies in the section and shall be investigated for inspector responsibility at the same time.