HAIYAN GUANTANG HARDWARE & MACHINERY FACTORY (GT HARDWARE & MACHINERY) specializes in producing high-quality nuts, threaded rods, and bolts. Our products meet national and international standards and are widely used in the construction, electronic, and furniture industries. We offer a wide range of standard and nonstandard fasteners that meet ISO, DIN, ASTM, ANSI (IFI), and BS requirements.

Our products are well-received in countries such as America, Canada, England, Germany, Australia, and Japan. We have a dedicated research and development center that constantly develops new products to meet customer needs. Our priority is customer satisfaction, and we strive to provide sincere and human-centered service.

We aim to become a top-quality name brand and welcome customers to collaborate with us for greater success.