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How do purchasers manage suppliers by classification?
Generally speaking, procurement personnel usually evaluate suppliers from the aspects of price, quality, delivery, and cooperation (service), and calculate the scores in the form of a percentage system. As for allocating the points, each company may decide on its own according to the specific situation. The standard evaluation criteria are as follows:
According to the lowest price, the highest price, the average price of similar materials in the market, self-estimation, and then calculate a more standard and reasonable price. ,
Batch rejection rate: judge the quality according to the batch rejection rate within a specified period (such as one month, one quarter, six months, one year). For example, if a supplier delivers 50 batches in the first half of the year, 3 shipments will be rejected. Its approval rate=3÷50×100%=6%. The higher the approval rate, the worse the quality and the lower the score.
Average pass rate: According to the pass rate of each delivery, calculate the average pass rate within a certain period to judge the quality. For example, if a supplier delivers 3 times in January, the pass rate is 90 %, 85%, 95%, the average pass = (90% + 85% + 95%) ÷ 3 = 90%. The higher the pass rate, the better the quality and the higher the score.
Total pass rate: The quality is judged according to the overall pass rate within a particular fixed time. For example, if a supplier delivers 1,000 pieces in 5 batches in the first quarter, and the total qualified number is 985, the pass rate = 985 ÷1000×100% = 98.5%, the higher the pass rate, the better the quality and the higher the score.
Delivery rate = delivery quantity ÷ order quantity × 100%. The higher the delivery rate, the more points you will score.
Overdue rate: = several overdue batches ÷ number of delivered batches x 100%. The higher the slow pace, the fewer points will be scored; the longer the overdue rate, the more points will be deducted; if late causes stoppages, the points will be increased.
The degree of coordination should be equipped with appropriate scores. Add the high three counts to get the total score, which is the final evaluation score, to evaluate the supplier’s performance.
Main control points of supplier evaluation
Generally, the control points of supplier evaluation mainly include the following aspects:
1. Selection and selection criteria of suppliers.
2. Investigation of the supplier’s quality assurance ability.
3. The supplier’s sample quality identification.
4. Supplier evaluation content and determination of steps.
5. Review and approval of supplier evaluation conclusions.
6. Consent of qualified suppliers.
7. The establishment of single supplier files.
8. Regular supervision and assessment of the supply status of qualified suppliers.
9. Carry out the survival of the fittest or counseling based on the supplier’s proper assessment.
10. Supervision and handling of problems found.
What are the main control methods for suppliers?
The control of cooperative suppliers can be divided into three categories (ABC classification method) according to the size of the material purchase cost, namely excellent suppliers, general suppliers, and non-key suppliers, and then according to different suppliers according to the following
Methods of separate management control:
1. Send a permanent representative to the supplier’s production site.
2. Regularly or irregularly, visit the factory for supervision and inspection.
3. Set up supervision points to supervise and inspect key processes or individual processes.
4. The customer and the purchasing personnel can carry out the joint inspection of finished products to the supplier.
5. Suppliers must promptly report significant changes in production conditions or production methods (such as outsourcing and outsourcing).
6. Organize management and technical personnel to guide suppliers to improve their quality level and meet the company’s quality requirements.
7. The supplier shall give relevant inspection records on process control.
8. Purchase inspection.
What are the methods for selecting qualified suppliers?
Qualified suppliers should have the ability to provide products that meet the requirements of specifications, drawings and procurement documents, and choose methods for evaluating qualified suppliers
Usually, there are the following points: