Minjie Steel
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We constantly think and practice corresponding to the change of circumstance, and grow up. We aim at the achievement of a richer mind and body along with the living for Factory Directly supply Black Steel Square Tube, Structural Square Hollow Steel Tube Sizes, Carbon Steel Welded Pipe. Accurate process devices, Advanced Injection Molding Equipment, Equipment assembly line, labs and software advancement are our distinguishing feature.
We care about every steps of our services, from factory selection, product development & design, price negotiation, inspection, shipping to aftermarket. We've implemented a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our goods have been strictly inspected before shipment. Your Success, Our Glory: Our aim is to help customers realize their goals. We've been making great efforts to achieve this win-win situation and sincerely welcome you to join us.
| Product name | hollow section square tube |
| Wall Thickness | 0.7mm--13mm |
| Length | 1--14m According to customer requirements ... |
| Outer Diameter | 20mm*20mm---400mm*400 |
| Tolerance | Tolerance based on Thickness: ±5～±8% |
| Shape | square |
| Material | Q195---Q345, 10#, 45#, S235JR, GR.B-D, STK500, BS1387...... |
| Surface treatment | Galvanized |
| Zinc coating | Pre-galvanized square tube: 40--220G/M2; Hot dip galvanized square tube: 220--350G/M2 |
| Standard | ASTM, DIN, JIS, BS |
| Certificate | ISO, BV, CE, SGS |
| Payment terms | 30%T/T deposit in advance, 70% balance after B/L copy; 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L copy 20--30days |
| Delivery times | 25 days after receive ur deposits |
| Package |
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| Loading port | Tianjin/Xingang |
An inquiry has been received from a customer in Singapore. The customer needs steel pipes. After we give the price to the customer, the customer says our price is high. Customers are compared with other suppliers. The customer purchased 10 containers in our factory for the first time. Now per month we are still supplying goods to this customer. The customer is satisfied with the quality of our products. Customers to our factory to establish long-term relations of cooperation.
The customer purchased steel pipes in our factory. After the goods were produced, the customer came to our factory for inspection.
The outer diameter sizes range from 20mm*20mm to 400mm*400mm, with wall thicknesses available from 0.7mm to 13mm. Custom lengths are supported from 1 to 14 meters.
Our square tubes are manufactured using materials such as Q195-Q345, 10#, 45#, S235JR, GR.B-D, STK500, and BS1387, conforming to major standards including ASTM, DIN, JIS, and BS.
Buying directly from our factory ensures a clear price advantage over trading companies. We regularly update prices according to the steel market and suggest buying when prices decline to ensure high-quality products at competitive prices.
We maintain a strict and complete quality control system. All products have no joint pipes, are square cut and deburred, and undergo rigorous inspection before shipment to ensure they meet all customer requirements.
Our factory is located just 40 kilometers from Xingang port in Tianjin, which is the largest port in Northern China. The standard delivery timeline is 25 days after receiving your deposits.
We accept a 30% T/T deposit in advance with the remaining 70% balance due after receiving the B/L copy. We also accept 100% Irrevocable L/C at sight, or 100% Irrevocable L/C after receiving B/L copy within 20-30 days.
