
Zyfire Factory Supply Brass Caps Chains for Hose Coupling. Brass Material Construction: Made from durable brass with NST thread, Storz Cap, or Nakajima Cap options. Wide Diameter Range: Available in sizes ranging from 1-1/2' to 3' for various hose coupling needs. OEM and ODM Services: Supports full customization, minor customization, and flexible customization options. Established Manufacturer: ZYfire Hose Corporation founded in 2000 with 25 years of export experience. Strict Quality Control: 8 QA/QC inspectors perform random visual and function inspections on finished products. Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods. Large Production Capacity: 6 production lines and a plant area of 22,704 square meters ensure high output. Traceable Raw Materials: Full traceability of raw materials ensures consistent quality and safety standards.