
Prosthetics 400mm Black Aluminum Tube. OEM and ODM Services: Professional design and development teams provide full customization and design services. ISO 9001 Certification: Factory holds ISO 9001:2000 and CE certificates with SGS field certification. Advanced Manufacturing: In-house precision workshop with CNC, lathe, laser cutting, and assembly capabilities. Material Options: Available in Stainless Steel, Aluminum, and Titanium with varying weights. Quality Control: Strict IQC, three production line tests, and 100% aging testing before packaging. Warranty Coverage: 1-year guarantee for prosthetic feet and 2-year guarantee for knee joints from ship date. Fast Delivery: Samples delivered in 2-3 days; mass orders in 5-7 days after payment. Low MOQ: Minimum order quantity is 10 pieces per kind, with some options starting at 1 piece.