📝Key Dimensions for Evaluating Source Reliability
Equipment Quality And Source
Original Factory Documents：
A reliable source should be able to provide the original certificate of conformity, Chinese instruction manual, etc.these are the basic requirements specified in the General Technical Specifications for the Circulation of Used Equipment.
Historical Usage Records：
Understand the equipment's service life, accumulated operating hours, types of products manufactured in the past, and maintenance history.
Current Technical Status：
Inspect the wear, maintenance, and replacement records of key components (such as the screw, barrel, gearbox, and heating system).
Supplier Qualifications and Reputation
Business Qualifications and Industry Experience：
Verify their business license, years of operation in the industry, and reputation; prioritize suppliers that have long-term focus on a specific field.
Professional Service Capability：
A reliable supplier should be able to provide clear equipment evaluation reports, technical support, and after-sales service commitments.
Transaction Process and Documents
Standardized Appraisal and Evaluation：
The equipment shall undergo professional appraisal. According to the 2024 new national standard, the quality of used goods is classified into four grades: A, B, C, and D. A detailed appraisal report is required.
Complete and Legally Compliant Transaction Contract：
The contract shall clearly specify the equipment's current condition description, price composition, delivery method, acceptance criteria, warranty terms, and after-sales liability.
Safety and Compliance
Safety, Environmental Protection and Compliance：
It is mandatory to confirm that the equipment meets safety standards, has no major potential hazards, and complies with environmental protection requirements (such as noise and energy consumption). The industry standard implements a "one-vote veto system" for this.
Compliance of Imported Equipment ：
If it is a used imported equipment, it is necessary to ensure that the necessary customs clearance procedures such as pre-shipment inspection and quarantine have been completed.