
Knuckle Joint Tubing Swab Mandrels. High-Strength Alloy Construction: Mandrel made of high strength alloy steel for durability and performance. Quick Disassembly Design: 90-degree rotation allows quick separation for changing worn swab cups. Flexible Customization: Supports full customization, minor customization, and customization from samples or designs. Simple Hinged Structure: Hinged tubing scrubbing rod allows convenient disassembly and assembly. Versatile Swab Cup Options: Users can choose different specifications or models of swab cups based on request. 100% Finished Product Inspection: Strict visual and function inspection for all finished products. Established Manufacturer: 26 years of export experience with 10 R&D engineers and 4 production lines.