As leading manufacturer of plastic extrusion machines in China, we have big ability for production of various of plastic extrusion machines, and for business expanding, we shall attend Chinaplast in Shenzhen, China by 12th-16th April 2021..
we shall take our corrugated pipe machine, WPC decking machine and PP hollow corrugated sheet machine to the exhibition,

We have attended the 2021 Chinaplast exhibition show by 13-16th April 2021 in Shenzhen. we have taken our high speed corrugated pipe machine, wood plastic WPC decking machine and PP hollow corrugated sheet machine to the exhibition. and we have run the machines lively in the exhibition.

The advantages is:
1, 30% electric power saving because we use ABB inverter.
2, fast cooling speed with good air cooling and vacuum cooling system
3, stably production because of professional design
4, long using life of mold made by 40Cr material with nitrating
5, manpower saving because our production line can do automatic production

We have made a PP hollow sheet making machine for our local customer.
and we have designed the machine to make S shape PP hollow sheet to increase the strength of the PP hollow sheet.
The machine has been tested successfully to make high quality S shape PP hollow sheet in our machine testing.

Congratulations! Tongsan has installed one PP hollow corrugated flute sheet machine in Ecuador successfully by our engineer Mr Chu.
The complete line includes material mixer, PP hollow sheet extrusion line, corrugated sheet shape cutting machine, and printing machine.
Now because COVID, it is very hard to send engineer abroad. but for providing good service to our customers, all of our engineers have taken COVID vaccine, so they can travel abroad freely.