媒材：针笔、银色中性笔、代针笔、水性彩色铅笔、彩色墨水。纸。
Materials: rapidograph, silver gel pen, water color pencil, colored ink, paper.
公司主要生产水性笔、中性笔、圆珠笔、白板笔、记号笔、活动铅笔等文化用品。
The company mainly produces roller-tip pens, ball point pens, Gel ink pen white board marker permanent marker, mechanical pencil and other stationeries.
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