Ningbo Jinzhi Machinery Manufacturing Co., Ltd. (formerly known as Ningbo Yinzhou Sanheng Machinery Factory) was established in 2004 to produce and process various casting, forging and hardware products. The factory covers an area of over 3,000 square meters and has fixed assets of 6 million yuan. Mainly used in hydraulic machinery, automotive, medical, engineering machinery, power, mining, automotive, train, ship accessories and other products. Relying on scientific and technological progress, the factory adheres to the principle of cooperation and compliance with "integrity and efficiency, diverse forms, and common development", the management policy of "quality, quantity, small profit, and heavy meaning", first-class technology, first-class products, First-class service serves customers from all walks of life.

The development of Sanheng Machinery Factory has experienced a series of products that combine domestic research and development, production and OEM production. A variety of precision processing, measuring equipment and instruments, among which the advanced level of equipment has a 4-axis machining center, CNC turning, cam automatic instrument vehicle a total of more than 40 units. The factory has strong design and development capabilities, can design and manufacture all kinds of non-standard products, and also design industrial product parts for customers.

The factory has a sound organization and management system, and has passed the ISO9000 quality system certification, and has continuously implemented comprehensive implementation and continuous improvement. About 70% of the products are exported to the United States, Canada, the United Kingdom, Germany, Australia, Brazil, Russia, Singapore, Sweden, etc., and have been well received by domestic and foreign customers.