Jiaxing Haina Fastener Co., Ltd. was established in 2012 and is a professional fastener sales supplier. Our main products include bolts, nuts, screws, etc., with a complete range to meet the needs of different customers.
Our products are produced in strict accordance with standards and have obtained relevant certifications, ensuring product quality and safety.We are committed to providing customers with high-quality products and services, and have won the trust and praise of our users.
The Hong Kong-Zhuhai-Macao Bridge, as an outstanding representative of bridge engineering in China and even the world, is a super project connecting Hong Kong, Zhuhai, Guangdong and Macao. It not only includes spectacular bridge parts, but also covers complex tunnel engineering. This cross-sea bridg
Samsung Electronics, one of the world's leading technology companies, continues to expand its global footprint. Recently, the company chose to build new flat-panel TV and LCD production plants in Cairo, Egypt, and Beni Suef State, marking an important step in the Middle East. This not only reflects
The Tamburong Bridge, as one of the most ambitious infrastructure projects in the history of Brunei, is not only a key channel connecting Brunei mainland and the Tamburong region, but also an important milestone in the country's transportation development history. This magnificent bridge with a tota
The Infinity Tower in New Cairo, Egypt, as the tallest building in the city center, stands majestically in the desert, 345 meters high, making it a unique desert skyscraper in the world. This iconic building is not only a symbol of Egypt's modernization process, but also a model of the perfect integ
Vietnam Telecom Signal Tower, as a key communication infrastructure project, is about 70 meters high and has extremely strict requirements on the quality of fasteners. In this project, our company was fortunate to provide hot-dip galvanized high-strength bolts, nuts and washers designed specifically
Designing joints based on the minimum expected preload generated by the bolt eliminates any risk of loosening. However, designing based on the average preload without applying a "safety factor" may lead to the loosening of many bolts. It is also necessary to account for preload loss due to embedding
Cold Forging and Its CharacteristicsCold forging, also known as cold extrusion, is a subset of cold extrusion. Cold extrusion encompasses a broader range of techniques. Machines commonly used in cold extrusion include hydraulic presses, punch presses, and automatic cold forging machines. The key fea
In various engineering applications, particularly for corrosion protection or decorative purposes, fastener surface coatings are widely applied, including electroplating, non-electrolytic zinc flake coating (Dacromet), and hot-dip galvanizing. However, due to different coating processes and varying
