A: Our usual minimum order quantity is 1 ton. The price will be adjusted according to different products, quantities, and conditions. You can contact our business personnel specifically, and we can also help you start and grow your business by making special small orders for you.

A: Yes, we can provide free samples, but the shipping cost will be paid by you.

A: We customize production plans based on customer product needs, select the highest quality raw materials, and have advanced production equipment and technical teams. We strictly follow the ISO9001 quality management system for production management to ensure stable and reliable product quality.

A: We will contact you within 24 hours after receiving your inquiry request. If your quotation is urgent, you can also call us (+86 13302150055).

A: We have multiple complete full process production lines with strong production capacity. The delivery time varies slightly depending on the order type, specifications, and receiving location. Specific details can be obtained by phone or email（ info@tj-steelpipe.com ）Consult us.

Q7: What are your standards?

A: Main standards (GB/T3639-1983): DIN2391, DIN2445, EN10305, DIN1629, DIN1630, ASTMA179。

A: Our factory is located in Tianjin, China. If you are planning to come here, please let me know where you are so that I can tell you how to get here. For example, if you are coming from Beijing, you can choose to take the high-speed train, which takes about 1 hour. If you come here from Shanghai, you can choose to take a plane, which takes about 3 hours.

A: Our inventory products can be shipped within 1-3 days, and customized products with confirmed requirements can be shipped within 1-7 days depending on the order quantity and product specifications.

A: We can provide customized services to customize the products you need based on the plan you provide. If you have any questions, please feel free to contact us at any time.