Established in 2003, Tongle Fastener Company is a leading manufacturer specializing in high-quality hardware fasteners for global industries. With 20 years of expertise, we design, produce, and supply precision-engineered bolts, nuts, screws, washers, and customized fastening solutions tailored to meet diverse industrial demands. Our products comply with international standards (DIN, ANSI, JIS) and undergo rigorous ISO-certified quality control to ensure durability, reliability, and optimal performance.