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It's mainly used as the prestressed concrete structure, such as the large span railway and highway, bridge, crane girders, rock-soil anchoring engineering, multi-floor industrial plant, coal, sports venues, etc.
1. Type: Round and Flat metal ducts;
2. Color: black and galvanized;
3. Thickness: 0.25-0.6mm
4. Dia.: 35mm-130mm;
5. Length: 22M/PCS,58M/PCS
Direction of Short Axis | Length (Internal Diameter) | 19 | 19 | 19 | 19 | 22 | 22 | 22 | 22 | 25 | 25 | 25 | 25 |
Tolerant Error | +3 0 | +3 0 | +3 0 | ||||||||||
Direction of Long Axis | Length (Internal Diameter) | 47 | 52 | 67 | 76 | 52 | 65 | 74 | 90 | 56 | 66 | 76 | 96 |
Tolerant Error | ±1 | ±2 | ±2 |
1.Top 3 manufacturer of corrugated duct in China
2.Strict quality control system
3.Customized products are available
Q: Are you a factory or trading company?
A:We are a factory located in Tianjin.
Q: Can you provide samples ? Is it free or extra ?
A:Yes, we can offer samples for free, but the express cost would be on buyer’s account.
Q:How long is your delivery time?
A:Generally it will be 5 to 15 days according to quantity and type of the products.
Q:What is your terms of payment?
A:We accept T/T, L/C, D/P and D/A. For T/T payment, we accept 30% prepayment in advance and the balance payable against the copy of B/L.
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