CPVC fais fab yeeb nkab
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CPVC fais fab yeeb nkab
CPVC lub zog hluav taws xob muaj cov yam ntxwv ntawm lub zog loj, kev hloov pauv yooj yim, siab kub tsis kam, tiv thaiv corrosion, nplaim taws rov zoo, ua tau zoo rwb thaiv tsev, tsis muaj kuab paug, tsis yooj yim rau lub hnub nyoog, lub teeb yuag, kev tsim kho yooj yim, thiab lwm yam.
