Nozzle, gooes neck, injection plunger head and melting pot sleeve are made from hotworksteel from Germany, so their life spans are long.
射咀、鹅头、压射头及料壶司筒采用德国优质热作钢制造，使用用寿命长；
2
M series pneumatic is mainly used for hot rivet joint of metal structure such as joint work on steel structure of boiler, container, Bridges, large girder and truss of automobile, etc.
系列气动铆钉机主要用于对金属的热铆，如锅炉、容器、桥梁、汽车大梁和桁架等钢结构上的铆接工作。
3
This thesis introduces the research work of hot-rolled drawing steel sheet which is first developed successfully in China.