hat
◎ te espesyal ki fèt presyon-depo kalite reyaksyon mouri ki an tèt liy sa a tiyo pèks-b simonte oryantasyon an estrès nan chèn molekilè polymère pandan fòma a pip.
eng
◎Special designed pressure-storage reaction type die head of this pex-b pipe line has overcome the stress orientation of polymer molecular chain during the pipe formatting.