Ƙwaƙwalwar zobe ta ƙunshi zobe na ciki da zobe na waje, ɗaya daga cikinsu yawanci yana ɗauke da kayan aiki, wanda ya ƙunshi zoben jabu waɗanda aka kera don samar da tsari mai ƙarfi.
Kamfanin XZWD ya kawo gwaninta a cikin ƙira na ƙaddamar da mafita da majalisai da ƙera don saduwa da aikace-aikace daban-daban.
Babban amfani shine:
* Kayan aiki masu nauyi;
* Masu sanya walda;
* Injin masana'antu;
* Masana'antar shirya kaya;
* Motocin crane;
* Tsarin likitanci;
* Injin iska;
* dandamali na iska;
* Injin hakar ma'adinai;
* da sauransu.