NHH Vietnam Investment and Development Co., Ltd specializes in manufacturing common types of bolts, screws, flat washers, and spring washers, with a variety of materials such as iron, steel, copper, alloy, and inox 304,^ with many designs to serve the industry: wood, mechanical, electricity, electronics, construction, machine manufacturing, etc. In addition, we also produce products with special design and technical requirements from customers.NHH with a team of experienced staff, products are manufactured according to international standards such as Din (Germany), JIS (Japan), ASME (USA), and TCVN (Vietnam), and product quality is guaranteed. Guaranteed by production materials imported directly from leading steel companies in Korea and Taiwan with standards 302HQ, 304HCM, 304J3, 304HC, 304M, etc. We are committed to providing the best products and the best quality as requested by customers.With the advantage of being a direct manufacturer, high-quality human resources, extensive experience, and optimal processes, prices are competitive. NHH products have been recognized and trusted by many partners in the market.