Kwiveki ephelileyo, sinee-odolo ezithile zeevalvu zebhola, ezithunyelwa kubathengi.Abanye baya e-USA, abanye baya eSingapore.Ngomyalelo waseSingapore, iivalve zebhola ziyi-3-parts (3-pc) uhlobo lwe-valve yebhola egcweleyo SS316 umzimba 1000WOG, isiphelo soqhagamshelwano yi-socket weld kunye ne-buttweld.Ngoku umxhasi sele efumene iimpahla kwaye wasinika ...
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