2004

Entry into Spring Machine Business: Dongzheng Machinery was established and launched its first computer-controlled spring machines: the HSM-CNC20, HSM-CNC40, and HSM-CNC08 Spring Machines. This marked the company's entry into the spring manufacturing industry with a strong focus on technological innovation.

2005

Product Line Expansion: Introduced the HSM-CNC30 Compression Spring Machine, further diversifying its product offerings and strengthening its position in the spring machinery market.

2006

Advanced Machinery Development: Launched the HSM-CNC50 and HSM-CNC50 Wire Rotatable Spring Machine, showcasing the company's ability to develop advanced and versatile spring manufacturing solutions.

2007

Formal Business Establishment: Applied for and obtained the business license for Dongzheng Machinery Co., Ltd., formalizing the company's operations and laying a solid foundation for future growth and market expansion.

2008–2009

Optimization Phase: Focused on refining and optimizing existing machines to enhance performance, precision, and reliability, ensuring products met the highest quality standards and customer expectations.

2010

Diversification into Wire Bending: Introduced the HSM-CNC2D Wire Bending Machine, expanding the company's product range beyond spring machinery and into wire forming solutions.

2011

Customized Solutions: Developed the first customized Circle Making Machine, demonstrating the company's capability to design and produce specialized machinery tailored to specific customer requirements.

2012

Industry-Specific Customization: Produced a customized Latching Machine for motorcycle engine parts, highlighting the company's ability to serve specialized industries with precision machinery solutions.

2014

Specialized Spring Winding Machine: Introduced a customized Spring Winding Machine for motorcycle engine parts, further solidifying the company's reputation for developing specialized solutions for the automotive industry.

2016

Technological Breakthrough: Launched the First Camless Spring Machine, marking a significant innovation in spring manufacturing technology and setting a new industry standard for efficiency and precision.

2018

Cam Spring Machine Production: Introduced the HSM40 Cam Spring Machine, expanding the company's product range and capabilities in the spring machinery market with advanced cam-operated technology.

2021

Specialized Conveyor Belt Machine: Developed a conveyor belt specialized machine based on customer needs, with a production rate that far exceeded customer expectations. This milestone underscored the company's commitment to innovation and customer satisfaction through customized solutions.