Home default the maximum flow rate of raw material injection time: the use does not generally exceed 80% of the maximum flow. the maximum flow rate of raw material injection time: the use does not generally exceed 80% of the maximum flow. Pvc Pipe December 27, 2019 Share: Facebook Twitter Pinterest the maximum flow rate of raw material injection time: the use does not generally exceed 80% of the maximum flow. ... Click to read moreOthers news: Another news: