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.

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

We make heat shrinkable sleeves and the production line,so we have rich experience in how to match machine and production perfectly.

Qingdao Huashida makes radiation crosslinked pe heat shrink sleeve, mainly used for anticorrosion and repair of oil&gas pipeline joints.

Huashida heat shrink sleeve is widely used in oil field joint and municipal drainage to make perfect seal from corrossion and water ingress.