Qingdao Tongsan Plastic Machinery Co, Ltd. hasdeveloped from a single corrugated pipe equipment production plant  to a diversified professional extruder manufacturer with corrugated  pipe equipment, hollow board equipment, and wood plastic production lines after 26 years.
Our development is inseparable from the support of our customers and friends. 

For 26 years, we have provided hundreds of production lines to customers in more than 50 countries.
Our equipment is our constant pursuit to create the greatest value forcustomers