(1) JNHG ƙwararriyar masana’anta ce ta birki kushin mold,
(2) Don dogayen ramuka tare da zurfin fiye da 200mm, ana buƙatar rami mai zurfi
(3) zurfin hakowa mafi tsayi shine 2000mm
(4) Bindigar harbin bindiga, tabbatar da tabbatar da daidaiton hakowa
(5) Ana iya amfani da su ga waɗannan samfuran:
birki rufi mold yawa, birki rufi mold tsawon rai, birki mold tambaya, birki mold iko, birke mold tsari form, birki rufi mold koyawa, birki rufi mold nika inji, gogayya abu mold a kan bushe bango, birki takalma mold kit tare da spring sarauta enfield ,