工艺：它是由翅片式加热管为发热体。以靠空气流动散热，用金属做外壳，在而外壳冲成无数的散热空，用温度控制制作而成。

   用途：适用于油田，野外作业场所，实验室，居家取暖，野外活动房等场所。

   特点：开温块，散热块，节电无噪音、使用方便、机械绝度高、使用寿命长、安全可靠等优点。

Technology: it is heated by the finned-tube heat for the body. To rely on air flow cooling, the metal casing done in the shell and into numerous heat-air, produced by using temperature control.
Uses: applicable to oil fields, field operations sites, laboratories, home heating, such as the activities of the wild places.
Features: Open-block, block heat, power noise-free, easy-to-use, high mechanical absolutely, long life, the advantages of safe and reliable.