Comparision betweeen vacuum calibration method and internal pressure method of PE jacket pipe.

The advantage of Huashida Vacumm Calibration pre-insulated Jacket pipe is adopting special calibration die and screw.

Huashida electric melting band and heat shrinkable sleeves show excellent performance and win high praise from clients.

CNNC purchased four sets of 1380 mm production lines for making Dia.655 mm-1420 mm pre-insulated pipe from Qingdao Huashida Machinery Co.,Ltd

Qingdao Huashida heat shrink sleeve adopts unique hot melt adhesive formula to ensure adhesion thus construction quality.

Huashida 3PE Bend pipe Anticorrosion Coating Equipment is high efficiency of operation,make-up in one step,wrap equably and strong adhesion.