The prime products are spherical lens, Windows, prisms, achromatic lens, cylindrical mirror, laser optical components, infrared optical components, various crystals and some other relative items.
主要产品有球面镜、窗口、棱镜、胶合镜、柱面镜、激光光学元件、红外光学元件、各种晶体。
Limited life components or parts such as heat fixing unit for laser products, print head for inkjet products from 2 nd and 3 rd year are not included.
消耗性元件或零件，例如镭射打印定影器及喷墨打印头等，均不包括在第二年及第三年之保养范围内。
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