它卖的主要材料包括：火液压巨头、灭火水龙带、消防水带、室内外消防栓、1211消防箱、和302灭火器等等。
The main materials it sells include fire hydraulic giant, fire hose, indoor and outdoor fire hydrant, firebox 1211 and 302 fire extinguisher, etc.
负责新产品开发以及老产品的改进，包括阀门、管件以及消防栓。
Responsible for new product development and old product improvement, including valves, fittings and hydrants.
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