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R&D

     Yi-Chang has a research lab with various instruments and testing equipments which allows our researchers to do all kinds of different research, test, and quality control purposes.  So far, Yi-Chang’s lab has possessed discoloration meter, moving sealed die type rheometer , computer servo tensile tester, DIN abrasion resistance tester, electronic balance density determination kit, slip tester, shoe bending tester, and oil resistance tester.

     From quality control aspect, all of Yi-Chang’s product must go through a series of test in our lab, which allow us to guarantee that our products will always meet the highest quality standards.