Nantong Zhuoyue Precision Parts Co., Ltd. was founded in 2002. It is a professional spring manufacturer that integrates research and development, production, sales, and service. It is also one of the few service providers in China that can provide comprehensive solutions for agricultural machinery springs. The company's main products include precision springs, spring plates, metal stamping parts, and various shaped metal wire forming products. The products are widely used in agricultural machinery, elevator accessories, engineering machinery, automobiles, railway locomotives, electricity, precision instruments, sports equipment, electronic appliances, and other fields.
Cao Spring "is the only registered trademark under Nantong Zhuoyue Precision Parts Co., Ltd. The company is equipped with nearly a hundred professional production and testing equipment, including fully automatic CNC spring coiling machines, torsion spring machines, compression spring machines, spring grinding machines, heat treatment equipment, agricultural machinery spring tooth fatigue testing machines, force measuring machines, etc. It has independently developed and built a fully automatic spring surface treatment assembly line, filling the gap in the domestic industry with multiple technologies. At present, the production line can produce full specification springs with a diameter of 0.15-70mm, with an average daily output of 40 million pieces. The production capacity is abundant and the quality control is stable.
Agricultural machinery springs are the company's core flagship products, covering baler spring teeth, fully fed harvester spring teeth, rake spring teeth, sun drying machine spring teeth, film wrapping machine spring teeth, as well as various types of agricultural machinery tension springs, compression springs, etc. With excellent product quality and innovation capabilities, the product has won multiple authoritative industry honors, including the Annual Award (Parts Award) in the Chinese agricultural machinery industry, the Gold Award in the China Agricultural Machinery Parts Product Selection, the Innovation Award, and the "Precision Cultivation Cup" Agricultural Machinery Industry Selection Craftsmanship Product Award.
Nantong Ruisi Electronics Co., Ltd. is an affiliated enterprise of our company with a complete standardized management system and market service capabilities. It passed the ISO9001 quality management system certification in 2007 and the IATF16949 automotive industry quality management system certification in 2025. At the same time, it was rated as a specialized and innovative enterprise with complete qualifications and a quality control system that benchmarks high industry standards.
The company implements specialized division of labor operation: Nantong Zhuoyue Precision Parts Co., Ltd. is mainly responsible for overseas market export business, and its products are exported to many countries and regions such as Europe, America, Southeast Asia, the Middle East, and Russia; All business connections, supporting cooperation, and after-sales operation and maintenance services for domestic and foreign brand customers are fully managed by the affiliated company Nantong Ruisi Electronics Co., Ltd. Long term stable supporting services for well-known domestic and foreign host companies such as Thyssen, John Deere, New Holland, Maschio, Weichai Lovol, Jiangsu Wode, Inner Mongolia Huade, Henan Huaxi, Inner Mongolia Jiujia, etc.
Jinggong Cao Spring, with outstanding new quality. The outstanding people in Nantong, who are striving forward, always adhere to the business philosophy of "being a good person and doing well in springs", insist on technological innovation and strict quality control, and continue to provide high-quality spring products and one-stop reliable solutions for global customers.