A ṣe akọkọ nronu aja PVC, awọn panẹli odi, awọn fireemu ilẹkun WPC, awọn window, awọn ẹrọ extruder trunking. Gẹgẹbi gbogbo wa ṣe mọ, PVC (polyvinyl kiloraidi) jẹ ṣiṣu ti o ni igbona, ati iduroṣinṣin ina rẹ tun jẹ talaka. Labẹ iṣẹ ti ooru ati ina, o rọrun lati de-HCl reactio ...
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