The length can be customized. Conventional extrusion machines can produce profiles with a length of 3-12 meters (depending on the equipment tonnage and mold design). For profiles requiring anodizing treatment, we recommend a maximum length of no more than 6.5 meters. Short materials can be cut according to customer requirements (e.g., 1m, 2m, etc.) with a cutting accuracy of ±0.2mm.

Common grades and their characteristics:

1. 6063: Easy to extrude and form, with high surface finish, suitable for construction profiles (doors, windows, curtain walls) and decorative profiles;
2. 6061: Higher strength than 6063, with good welding performance, suitable for industrial structural parts (brackets, mechanical parts);
3. 6082: High strength and good corrosion resistance, suitable for load-bearing components (e.g., auto parts, heavy-duty frames);
4. 7075: An alloy with higher strength;
5. We can recommend more suitable grades according to customer needs.

We will provide an FOB price. The price is calculated as: raw material cost (aluminum ingot price + processing fee) + mold cost (for customized orders) + surface treatment fee + miscellaneous fees (packaging, transportation, etc.). The aluminum ingot price fluctuates with the market (referring to the daily price on the Shanghai Metal Exchange). Generally, the quotation is valid for 1 month.

A 30% deposit is required in advance (for customized orders involving mold costs, the full mold cost must be prepaid). After the balance is paid, we will provide the telex release bill of lading.

 If the problem is indeed caused by our quality issues, we support returns or exchanges:

1. Customers are requested to submit a written objection within 15 working days after receiving the goods (including customs clearance and inspection time) and provide clear photos/videos of the problem (marking the order number, product batch, problem location, and details);
2. If the problem is indeed caused by our quality issues (such as excessive dimensional tolerance, substandard surface treatment, etc., which do not meet the agreed standards in the contract):
   • If there are subsequent orders, we will either replenish the goods in the subsequent order or deduct the amount from the payment of the subsequent order;
   • If there are no subsequent orders, we will arrange a refund based on the quantity of defective