الوصف

    Hangzhou HeDi mechanical& electrical engineering Ltd. is a professional manufacturer for pre-stressed concrete cylinder pipe(PCCP)making machine.It belongs to China State Power Machinery Research & Design Institute. With over *0 years research& developing, HeDi provides excellent equipments for China big projects such as  as " South Water to North" and " Three Gorges "project, which made a big contribution for drinking-water project&irrigation tunnel. It's also certified in the ISO***1 (***4/***0) and the environment controlling system—ISO****1(***6).

HeDi co. is mainly engaged in the following equipments:
~1. Thinner steel cylinder welding machine
2. Spring welding machine for mid/small size thinner steel cylinder
3.  Double expansion block self-balanced circular machine
4.  Wrapping spraying machine
5. The thin-walled steel bobbin forming die
6. Bevel pipe machine