originating from a biology lab of the henan normal university in 1958, our company specializes in manufacturing microscope slides, microscope slides box, biological specimens, teaching models, experiment materials, lab educational instruments, teaching wall charts, screen sheets, books, basketballs, footballs, volleyballs and rugby. besides, we are also engaged in designing and producing large-size specimens for professional schools or colleges. yulin brand products are favored very much by school teachers for good quality and best after-sale service.

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