Kwanan nan, an keɓance bawuloli na Jinbin don abokan ciniki na ƙasashen waje tare da bawul ɗin ƙwallon welded da bawul ɗin malam buɗe ido. Waɗannan bawuloli na musamman don abokan cinikin Rasha sun karɓi karɓuwa daga abokan cinikin Rasha kuma sun cika ƙaƙƙarfan buƙatun fasaha. A halin yanzu, an aika waɗannan bawuloli kuma an samu nasarar isar da su ga abokan cinikin Rasha a ƙasashen waje.

Bawul ɗin malam buɗe ido kayan jikin WCB ne tare da PN25. Girman ya bambanta da DN800-DN1200. Tsarin bawul ɗin malam buɗe ido tsarin eccentric ne.

Bawul ɗin welded ball yana tare da kayan WCB, PN25, ƙarewar walda.