4-inch hinge
We possess competitive advantages in production costs and labor expenses. Furthermore, the government provides policy support to export enterprises through measures such as export tax rebates and credit insurance, thereby mitigating operational risks.
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Door hinge is a fundamental hardware component designed to connect doors to frames, enabling smooth opening, closing, and rotation while ensuring stability and long-term durability. It is widely used in residential buildings, commercial spaces, industrial facilities, hospitals, and public infrastructure projects. Manufactured from high-quality materials such as stainless steel, brass, iron, or zinc alloy, Door hinge products are engineered to withstand frequent use, heavy loads, and various environmental conditions. Advanced production processes ensure high precision, smooth movement, and strong load-bearing capacity, reducing noise and friction during operation. Different types of hinges are available, including butt hinges, concealed hinges, continuous hinges, spring hinges, and heavy-duty hinges, allowing flexible selection based on door weight, design, and application requirements. Surface treatments such as polishing, electroplating, or anti-corrosion coating enhance durability and aesthetic appearance. In modern architecture, Door hinge systems are essential not only for functionality but also for safety and design integration, ensuring doors operate reliably while complementing interior and exterior styles. With long service life and easy installation, they are a key component in door systems across multiple industries.
The company has maintained long-term strategic partnerships with major domestic enterprises such as Huawei, China Construction Power Engineering, Hengdian Film and Television, Huajingchuan Real Estate, Huazhu Group, and Hailan Group. It has also participated in numerous large-scale national construction projects, including the Huawei Lianqiu Lake Research and Development Center in Shanghai, the Three Gorges Dam, the Sports Center in Sanya, Hainan, the Huanglong Swimming and Sports Center in Hangzhou, the Quzhou Sports Center, Wuhan University, the Red House Hospital in Shanghai, and the Ningbo Pujie Hospital. Internationally, the company's products are sold to over 30 countries and regions in Europe, America, Asia, and Africa. Its fireproof doors that have passed the European and American standards have also been approved and registered in more than ten countries.
Brand Story
The company specializes in manufacturing various types of fireproof doors, medical doors, entrance doors and other door and window products. Through years of production practice and market expansion, it has created the "Jiahui" brand with excellent quality and service! The company has successively obtained over a hundred certificates for fireproof doors of various materials issued by the Fire Product Qualification Evaluation Center of the Ministry of Public Security of the People's Republic of China. In 2015, the company's steel fireproof door products passed the strict European and American standards tests, further verifying the company's strength and leading position in the fireproof door field.
Workshop
Provide customers with OEM and ODM full range of docking and technical support services.In 2015, the company's steel fireproof door products passed the strict European and American standards tests, further verifying the company's strength and leading position in the fireproof door field.
Our Services
1.If sincere cooperation, we can provide sample to you.
2.After orders, the whole production process will be following up.
3.We have over 24 years producing door experience,and we ensure a high quality control in the whole process of manufacturing products.
4.The product will be tested by 12 processes before packed.
5.Various designs and colors for you to choose and also we can accept custom made.
6.Warmly welcome you to visit our company and investigate.
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No. 6, Jiahui Road, Gumashan Industrial Zone, Wuyi County, Zhejiang Province
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