Hailiwei laboratory belongs to Qingdao Municipal Technology Center laboratory. The laboratory has various modern testing instruments and equipment necessary for rubber materials and polyurethane materials such as chemical analysis, material preparation, performance test and molding processing. It has four departments: physical property testing room, material performance testing room, mechanical property testing room and bench test laboratory. Among them, there are Mooney viscometers and ovens of high-speed rail company, universal material testing machines of Taiwan Yuken and MetS, small open mill, micro melting point tester, ball indentation hardness tester, microscope, glue curing time tester, Brooke infrared spectrometer, Karl Fischer moisture tester, Netzsch red combination instrument, etc., which have international advanced level There are several sets of advanced oil seal products oil resistance test bench test equipment, which creates good conditions for the company's product quality control and new product development.