YHX series threading box the necessary connecting piece at the junction of the casing, cable connector and branch when laying the cable.
YHX系列穿线盒是电缆穿管敷设时在套管连接处、电缆接头处、分支处必须采用的连接件。
SF (b) series adopt special twisted blade design and flange flanging casing, which makes the noise lower and the air volume larger.
本系列风机的叶片采用特殊扭曲孤度设计，机壳采用法兰翻边工艺，使风机噪音更低，风量更大等特点。
Casing Series: heat shrinkable sleeve, fiberglass sleeve, Teflon and silicone casing.
套管系列：热收缩套管，玻璃纤维套管，铁氟龙及硅胶套管。
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