1. Grade: Q235B Q345B Q420B
2. Size: Large
3. Standard: GB
4. Certification: ISO9001, CE
A: We are factory.
A: It is according to quantity.
A: You should provide technical parameter and standard of your products.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.If you have another question, pls feel free to contact us as below: