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JHH30-6接線箱，JHH50-6礦用通訊接線箱，礦用電話分線盒

JHH20-6礦用接線盒，礦用通訊接線箱，煤礦接線箱

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JHH100對接線盒-JHH-100對接線盒 JHH-8本安接線盒

JHH-50對接線盒，本安接線盒，50對接線盒，JHH-50接線盒

通訊電纜分線箱，本安接線箱，JHH-10接線箱，JHH-20分線箱

本安接線盒，礦用接線盒，煤礦接線盒，JHH-2，2通接線盒，3通接線盒

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JHH-6（A），JHH-6（B），JHH-6（C）礦用本安接線盒

JHH-3礦用本安接線盒，JHH-3本安接線盒，JHH-3礦用本質(zhì)安全接線

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JHH-3 （三通）本安電路用接線盒

JHH-2 （二通）本安電路用接線盒

JHH-4型礦用本質(zhì)安全電路用接線盒