High-Strength Psb 930 Threaded Post-Tensioning Bar PT Bar for Infrastructure Projects. High-Strength Material: Manufactured from hot-rolled high-quality alloy steel for superior fatigue resistance. Wide Diameter Range: Available in diameters from 15mm to 50mm or more to suit various project needs. Corrosion Protection: Surface options include HDG and Epoxy Coating for enhanced durability. ISO 9001 Certified: Factory follows strict quality management systems ensuring consistent product standards. Fast Delivery: Large inventory allows for quick shipping without delay for time-sensitive projects. OEM/ODM Support: Accepts OEM/ODM orders for large quantities at no extra charge. Comprehensive Warranty: Includes 1-year warranty coverage for mechanical defects and support. Direct Factory Pricing: Eliminates middlemen to provide competitive pricing and bulk order discounts.