NSEN tana sake shirya lokacin dumama na shekara.

Matsakaici na yau da kullun don dumama gunduma shine tururi da ruwan zafi, kuma yawancin Layer da karfe zuwa karfe ana amfani da su.

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Don matsakaicin tururi, mun fi son bayar da shawarar karfe zuwa rufewar ƙarfe.Amfaninsa ya ta'allaka ne a cikin zoben rufe bakin karfe mai ƙarfi, wanda ya fi juriya ga yashwa kuma yana da tsawon rayuwar sabis.A lokaci guda kuma, ana ɗaukar nau'in hatimin maye gurbin, don haka ana iya kiyaye bawul ɗin akan wurin.

NSEN na iya samar da bawul ɗin hatimi mai jagora-ɗaya da biyu, matsa lamba na gwaji don wanda ba a so ba zai iya kaiwa matsa lamba na ƙima.
Iyakar abin da ake bayarwa: PN16-PN63, DN100-2400
Abubuwan da aka ba da shawarar: Jiki A105/WCB, Disc WCB, Shaft 17-4PH, Seling F304+HF, Seat SS304

Don bawul ɗin tare da matsakaicin ruwan zafi, ana iya zaɓar hatimi mai yawa.Idan aka kwatanta da duk hatimin karfe, karfin juzu'i na Multi-Layer zai zama karami, wanda zai iya ajiye wani ɓangare na farashi don mai kunnawa.

Hoton bawul ɗin haɗa walda na butt don dumama tsakiya wanda NSEN ta aika kwanan nan.