• FAQS

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Q1: Are you a factory or a trading company?

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A: We are a physical manufacturer with our own production lines. We can provide on-site factory inspection videos and qualification documents.
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Q2: What types of steel pipes do you mainly produce?

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A: We mainly produce spiral welded pipes, straight seam welded pipes, seamless steel pipes, 3PE anti-corrosion steel pipes, plastic-coated steel pipes, and steel pipes for buried engineering projects.
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Q3: Can products be customized according to projects?

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A: Yes, we support customization of diameter, wall thickness, length, material, and anti-corrosion coating. We can produce according to drawings and standards.
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Q4: What are the commonly used materials?

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A: Commonly used materials include Q235B, Q355B, 20#, 45#, L245/L360, Gr.B, and various stainless steel materials.
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Q5: What standards do your products comply with?

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A: We can produce according to national standards (GB), American standards (ASTM), API 5L, European standards (EN), etc., to meet the engineering requirements of different countries.
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Q6: What is the minimum order quantity?

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A: Minimum order quantity is flexible for standard products; engineering projects can be negotiated according to actual needs; small batches are also supported.
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Q7: What is the typical production cycle?

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A: Standard specifications: 7–15 days; customized or large orders: 15–25 days, depending on quantity and process.
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Q8: Do you provide samples?

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A: Small samples or cross-sections can be provided for testing. Samples are free; shipping costs are borne by the customer.
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Q9: How are products packaged?

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A: Steel strapping is used for packaging. Moisture-proof, rust-proof, and reinforcement treatments can be provided according to sea/land transport requirements.
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Q10: What payment methods do you support?

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A: We support T/T, L/C, Alibaba International Station Trade Assurance, Western Union, etc., which can be negotiated based on order amount.
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Q11: Can you do FOB/CIF/CFR?

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A: Yes, we are familiar with global logistics and can provide FOB Shanghai/Ningbo/Tianjin and CIF destination port services.
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Q12: Do products undergo quality inspection?

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A: Each batch of products undergoes water pressure testing, non-destructive testing, wall thickness testing, and visual inspection before leaving the factory.
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Q13: What qualification documents can you provide?

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A: We can provide CO, FORM E, API, ISO, material certificates, test reports, commercial invoices, packing lists, etc.
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Q14: Do you undertake large-scale engineering projects?

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A: We have long undertaken domestic and international municipal, petroleum, gas, water supply and drainage, steel structure, and other engineering projects.
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Q15: How are after-sales problems handled?

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A: We track quality throughout the entire process. If the problem is indeed due to a product defect, we can provide replacements, rework, or reasonable compensation.