
Stainless Steel/Carbon Steel Spiral Finned Tube. Certified Quality: Products certified by IEI, SGS, BV, CCIC, and other international bodies. Customized Options: Customized spiral fin tubes available based on customer drawings. Sample Availability: Samples provided for quality check upon request with drawings. Third-Party Inspection: Third-party inspections by SGS, IEI, CCIC, etc., welcomed before shipment. Production Monitoring: Weekly reports with digital pictures and videos for remote progress tracking. Flexible Payment: Accepts T/T, 100% L/C at sight, and Iranian payments via Kun Lun Bank. Experienced Team: Over 13 years of trading experience with dedicated support for new buyers. Fast Lead Time: Peak and off-peak season lead times both within 15 working days.