Pali opanga ma PVC opitilira 70 ku China. Iliyonse ili ndi mawonekedwe ake. Chemdo amadziwa bwino ngati aliyense angathe kutumiza kunja, mtengo, njira yolipirira, mtundu, mbiri ndi liwiro la kutumiza kwa chilichonse.
Ndife momveka bwino za mtengo chitsanzo cha PVC mu China ndi azimuth ndi ulamuliro chaka chilichonse, Choncho, tikhoza kuthandiza makasitomala bwino ndi mofulumira kusankha kotunga apamwamba kuti likufanana nawo, ndipo tikhoza kuthandiza makasitomala kuyankha mafunso aliwonse okhudza PVC ku China.
