
Annealing Tubes, Contact Hub for Niehoff/Samp/Frigeco/Henrich. 99.9% Pure Nickel Material: High purity nickel ensures superior conductivity and hardness for annealing applications. Customized Dimensions: Available in diverse dimensions to meet specific customer requirements and machine models. Fine Surface Finish: Surface roughness reaches Ra 0.2-0.4 for optimal performance and durability. Wide Compatibility: Compatible with Frigeco, Niehoff, Samp, Henrich, Eurodraw, and other major brands. ISO9001 Certified: Manufacturing process adheres to strict ISO9001:2015 quality management standards. OEM/ODM Service: Full customization available from designs with dedicated R&D engineers. Quick Delivery: Standard sizes in stock with peak and off-peak lead times within 15 workdays. Multiple Material Options: Offers solid nickel, steel with nickel layer, or steel with copper chromium layer.