NINGBO KINGLI FASTENER CO.,LTD
NINGBO KINGLI FASTENER CO.,LTD. specializes in the production of high-strength stud bolts, hexagon bolts, and nuts, available in alloy steel, stainless steel, and nickel-based alloys. The company holds internationally recognized certifications including API 20E & 20F, PED, AD2000 W0, ISO 9001, and CPR, and can provide 3.1 report & 3.2 material witness test reports. Our products are directly suited for high-demand applications in oil and gas, pressure vessels, chemical piping, pump valves, and flanges.