Packng tools, Packing cutter, Gasket cutter, SWG winding machine, bending machine, Groover, Angling machine, Double jacketed machine, Gasket cutting machine, Puncher, Calender, Braider and so on.

密封械 ：根工具，根切割工具，垫片切割工具，缠绕，，铣，，包覆，双翦，点焊，冲齿，辊压，根编织。

Needle slot on the neilsbed armor plate is usually milled one by one by milling machine controlled manually.

针床钢板上的针通常是由人工控制用铣床一条条铣出来的，费工费时，铣精度低。