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Our Company

Zhejiang Zongheng Spring Co., Ltd. was established in 2021 and is a production-oriented enterprise specializing in the design and manufacture of brake system springs, suspension system springs, and general spiral springs. The company is located in Fengqiao, Zhuji, Zhejiang, covering an area of 30,000 square meters. The company uses high-quality raw materials from domestic and foreign sources and has advanced heat treatment, coiling, shot blasting, shaping, and surface treatment equipment. The production process is implemented according to the IATF/TS16949 international quality management system, and the company is committed to implementing 6S management and digital production processes to provide quality and reasonably priced products and services to domestic and foreign markets. The company is constantly researching and surpassing in the direction of high strength, lightweight, and high fatigue life. The company has a complete laboratory and has introduced advanced testing equipment such as spectrometers, online flaw detectors, image analyzers, tensile testing machines, fatigue testing machines, multi-functional sand and stone impact testers, lateral force load testers, etc., allowing customers to understand the product characteristics of each batch. We adhere to the quality policy of "precision in work and integrity in the product", inherit the "craftsman spirit" and strive to make every spring well. We look forward to exchanging and cooperating with customers at home and abroad for mutual development.

  • 1000T +

    Material reserves

    of 1000 tons per month.

  • 300000 +

    Monthly production capacity

    of 300,000 springs

  • 30 +

    Over 30

    cooperative partners

Our Strengths, Your Competence

  • Manufacture

    Product quality is the foundation of the survival of an enterprise. Zongheng adheres to quality, craftsman manufacturing introduces advanced production equipment from home and abroad, carefully selects high-quality steel materials, and trains skilled production personnel to ensure the quality of every product.
  • Research

    Zongheng is market-oriented, with research and development as the priority, and economic benefits as the center, forming a virtuous cycle of research and development and performance. In recent years, Zongheng has insisted on the introduction and training of technical talents, continuous improvement of raw material characteristics, spring design and production processes, and continuous efforts to reduce costs and increase efficiency to meet customer needs.
  • Testing

    The company has established an independent testing center and has testing instruments and equipment in China. It has testing capabilities in the fields of metal mechanical properties, metal process performance, heat treatment metallographic inspection, metal chemical analysis, metal corrosion, and protection, cylindrical helical springs, etc. It has the ability to perform full-performance testing on various materials and springs, including alternating tests on coatings and other surface treatments, salt spray tests, and fatigue tests on suspension springs and brake springs.
  • Warehouse

    Our vast and spacious warehouse provides a solid foundation for our production capabilities. With over 20,000 square meters of multi-level shelving, we can simultaneously store millions of products. Our warehouse processes a high volume of products on a daily basis, with busy trucks carrying our products to various destinations around the world.

Our partners

We have been good brand choice for numerous partners, look forward to your join.