The steel pipe should not enter the junction box directly, and it should be connected to the box with explosion proof tie-in.
钢管不得直接进入接线盒，应通过防爆接头连接。
Business Scope: Design and manufacturing of a range of products such as explosion-proof apparatuses such as junction box, power box, push button box, pressurized cabinet, lamps and etc.
主营业务：l接线箱、动力箱、按钮箱、正压柜、灯具等系列防爆电器产品的设计、制造。
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