changchun boxin photoelectric co., ltd. is a leading manufacturer of optical components in the north of china,which mainly produce optical lenses,windows,mirrors,prisms,crystals and so on. our major products include spherical lenses(plano concave lenses, biconcave lenses, meniscuses lenses, biconvex lenses, plano convex lenses), prisms(right angle prisms, penta prisms, roof prisms), cylindrical lenses(positive cylindrical lenses, negative cylindrical lenses), aspherical lenses, optical wind

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