Leading domestic manufacturer of engineering fasteners. Specializing in providing fastener packaging and production for industries such as petroleum, petrochemical, chemical, and nuclear power. Our products are characterized by a long product chain, extensive standard coverage, diverse material types, and suitability for complex operating conditions. Shaoxing Sunny High Strength Fasteners Co., Ltd. is a professional engineering fastener manufacturer integrating design, production, testing, and self-operated import and export. It is a member of the National Fastener Standardization Technical Committee and the National Thread Standardization Technical Committee, as well as a National High-tech Enterprise. Main products include high-strength bolts, studs, nuts, gaskets, and other non-standard fasteners ranging from M3‒M150 and 1/16"‒6", designed to withstand high pressure, extreme temperatures, and corrosion. Continuous pursuit of product quality and the strictest quality assurance system. Traceability in production, controllability of quality, stability in management, and an excellent record of safety in use. For the chemical industry, safety and product quality are the top priorities. The company is committed to maintaining the most rigorous quality assurance system to ensure customer safety. Focus on core business, Provincial Specialized, High-end and Innovation-driven Enterprise, striving for industry leadership. Participated multiple times in international standard formulation, led and contributed to the development of various national, industry, and local standards, and actively improved enterprise information management. The company continuously participated as a member of the National Standardization Technical Committee delegation in ISO/TC2 (Fasteners) international standard formulation from 2012 to 2017, and in 2022, represented the China Thread Committee in ISO/TC1 international standard formulation. In 2018, as the primary drafting unit, it officially released the "Zhejiang Made" standard "Nuclear-grade Bolts and Studs for Pressurized Water Reactor Nuclear Power Plants." To better meet buyers' demands for Teflon-coated fasteners, the company introduced an advanced domestic Teflon surface coating production line in 2022. The company's products cover nuclear power and petrochemical industries, with all testing personnel and qualifications configured to meet nuclear and petrochemical requirements, ensuring all key technical specifications of products meet the highest industry standards. Leading supply performance, excellent product quality, reliable safety. The company's main clients are concentrated in high-end sectors such as large-scale petroleum, petrochemical, coal chemical, and nuclear power industries, with key long-term partners including Wanhua Chemical, Sinopec, and CNOOC.