1. General Condition and Lifespan: Check the overall condition of the plant and how long it has been in use. Avoid excessively worn or end-of-life equipment.

  2. Brand and Model: Prefer products from well-known and reliable brands. The performance of the model and the availability of spare parts are important.

  3. Maintenance and Repair History: Inquire about regular maintenance and past repairs.

  4. Capacity and Efficiency: The hourly production capacity and energy efficiency of the plant should meet your needs.

  5. Price and Warranty: Evaluate the price according to market conditions and request a warranty from the seller if possible.

  6. Spare Parts and Service: Ensure that spare parts and technical services are easily accessible.

  7. Trial Operation: Before purchasing, conduct a trial operation to verify that the plant is in working condition.