
High-Strength Sand Casting Grout Sleeve for Rebar Connections. ISO and IATF Certification: Certified with ISO 9001:2000 and IATF16949 for quality assurance. High Precision Machining: Machining tolerance up to +/-0.01mm with advanced inspection equipment. Customized Manufacturing: ODM and OEM services available based on 2D and 3D drawings. Diverse Material Options: Available in Carbon Steel, Stainless Steel, Alloy Steel, and more. Extensive Surface Treatment: Options include Shot Blasting, Heat Treatment, Zinc Coating, and Polishing. Experienced Manufacturer: Over 10 years of experience in casting and machining with 20+ patents. Flexible Order Quantity: Flexible PO quantity to meet specific customer demand requirements. Fast Delivery Capability: Located near Ningbo port ensuring on-time delivery for all orders.