Email: info@changjiaagr.com
WhatsApp/Phone: +86 173 8829 8203
Address: Kunshan, Jiangsu Province, China
We only cooperate with certified long-term suppliers. All incoming materials (steel, castings, etc.) must pass inspections for composition, hardness and appearance, preventing unqualified products from entering the production process at the source.
Standard Operating Procedures (SOPs) are formulated for each process, including machining and heat treatment. Relying on advanced equipment and fixed process parameters, we minimize human errors to ensure consistency and yield rate in mass production.
Quality control is embedded into the production flow. Intermediate inspections for dimensions, tolerances and other parameters are conducted after key processes. Any abnormalities are immediately isolated to stop defective products from moving to the next stage.
Every product undergoes precise dimensional measurement, performance testing (wear resistance, pressure resistance, etc.) and appearance anti-rust inspection before delivery. Only products meeting all indicators are allowed to be shipped.
Production and testing equipment are regularly calibrated and maintained. Unified accuracy management is implemented for molds and fixtures to ensure long-term stable hardware performance, laying a solid foundation for processing precision.
Each batch of products is assigned a unique production batch number, enabling traceability to specific raw material batches and operating personnel. In case of quality feedback, we can quickly identify problem links and implement improvements.
Regular training on processes and inspection standards is provided to employees to strengthen their sense of quality responsibility. Incentive mechanisms are established to ensure effective implementation of the quality system.
We value feedback from distributors and end users. By analyzing actual application data, we continuously optimize processes and materials to enhance product adaptability to different agricultural working conditions.
At Changjia, stable quality is not only a promise but also our core competitiveness. Through strict end-to-end management from raw materials to finished products and a continuous improvement mechanism, we are committed to providing global partners with consistent and reliable agricultural machinery components, supporting the steady development of your business.
At changjia, stable quality is not only a promise but also our core competitiveness throgh strict
Email: info@changjiaagr.com
WhatsApp/Phone: +86 173 8829 8203
Address: Kunshan, Jiangsu Province, China