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I-Solid Ball Blanks
Izikhala ze-valve eziqinile zenzelwe ukwenza amabhola ama-valve aqinile enziwa yizo zonke izinhlobo zezinsimbi ezibunjiwe. -
I-Hollow Ball Blanks
Izikhala ze-valve ze-valve ezingenalutho ezenzelwe ukwenza amabhola e-valve angenalutho enziwe nge-coil welded steel plate noma amashubhu ensimbi engenamthungo. Ibhola elingenalutho linciphisa umthwalo we-spherical surface kanye nesihlalo se-valve ngenxa yesisindo salo esilula, esiza ukwandisa impilo yesevisi yesihlalo se-valve.