Fabrication 1. Production job based on steel building drawing designed by our engineer. 2. We also can make the products according to the drawing from customer. 3. Quality control work goes through every step during production. 4. Third Party Quality Check , customer on-site quality inspection and any other  reasonable inspection way, such as BV or SGS. Derust grade: Ball blasting Sa 2.5 on main steel structure, manual derust St2.0 on secondary steel structure. Payment term: 1. 30% deposit T/T to us within 7 days after contract signed, the balanced 70% T/T after processing finished and before loading. 2. 30% deposit T/T to us within 7 days after contract signed , the balanced 70% by L/C at sight.