1.Material: stainless steel 304/316 2.Surface finish: Stain Mirror Pearl sand 3 OEM and ODM Service are available 4. QC:100% 5. Certification: ISO 9001:2008 6.Payment terms:30% in advance as deposit,70% balance before delivery. We are one of the professional manufacturers of researching, developing, manufacturing and marketing various stainless steel products for curtain walls. such as Spider. Routel. ,Clamp, Connector, Rigging and Banister. We have 9 years of experience in this line .We can provide you excellent service. Bubble packing then Carton.