二、产品用途(application)

该产品目前广泛应用于各种电子，电器，仪器仪表、音响，调音台设备的上，主要用于电位器旋钮固定和定位。不需工具即可完成装配. 特点是容易固定，提高生产效率。
plastic knobs and buttons are currently widely applied in all kinds of electronic,electric, instrumentation, sound, and mixer devices; they mainly function to position andfix potentiometer switches. it is easily and conveniently to install without accessorytools, which highly improves the productivity.

三、产品性能(function)

该系列产品主要为塑料产品，具有重量轻、体积小、美观、环保、不生锈、安装方便、快捷等优点。颜色有的可以做成双色，黑色，白色，灰色，自然色，还可按照客户所需颜色调色，规格齐全。安装时无需使用工具，易手工安装，省时、快捷。
plastic knobs and buttons are light in weight, small in size, artistic, environmentalprotected, and stainless; there are full ranges and diverse color (part can be doublecolored;black, white,gray, natural,etc.) in supply, and the knobs and buttons can becustomized. it is easily and conveniently to install and use without accessory tools.