Product Name: Twist Lock Twin Wall Straight Pipe Section Shape: Round Usage: Pipeline Transport, Oil/Gas Drilling Surface Treatment: Polished Material: Stainless Steel Technique: Weld Type: Welded Size: 5"6"7"8"10"12" Trademark: Rainbow Transport Package: Pearl Wood +Plastic Bag+ Box+Pallet+Container. Specification: CE, V2 by TUV Germany Origin: China HS Code: 73269090 Product Description Product descriptionProduct Nametwist lock twin wall straight pipeMaterialSUS304;SUS316L;SUS430Colorstainless steel colour, color painted or powder coated, can be customizedStandardEN 1856-1, UL103CertificateCE, UL103Size5", 6", 7", 8", 10", 12"Thickness0.4mm-1.0mmUsedWood fireplaces, pellet fireplaces, stove, boiler, generator, heaterchimneyProduct pictureMore ProductsOur Company Our FactoryOur MachineryOur certificationsFAQQ: Are you trading company or manufacturer ?A: We are factory.Q: How long is your delivery time?A: Generally speaking one container needs 30-35 days for delivery.Q: What is your terms of payment ?A: T/T or LC.If you have another question, pls feel free to contact us as below: