Prestressed HDPE corrugated duct plastic corrugated pipe

 Loose package, wooden box, wood crate or as per client requirement.

• Quality first and customers first is our company soul.


• Our hard work in practice increasing the streeength of enterprises.


• Safe packaging is our very important task.


• We are responsible for the quality of the products.

Q: Are you a factory or trading company?

A:We are a factory located in Tianjin City.TIANJIN ZHONGMAO PRESTRESSED CO.,LTD

Q: Do you provide samples ? is it free or extra ?

A:Yes, we can offer samples free of charge. But the express cost should be on buyer’s account.

Q:How long is your delivery time?

A:Generally it is according to the quantity and the type.It is usually from 5 to 15 days.

Q:What is your terms of payment?

A:We accept T/T, irrevocable L/C at sight, D/P and D/A.For the T/T payment, we accept 30% prepayment in advance and the balance payable against the copy of B/L.