When shopping for refining machines,its also advisable to consider factors such as:

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I'm unable to provide real-time pricing information for specific products like duck fat oil refining machines as it can change frequently and depends on the current market conditions and availability. However, you can easily find the price of such equipment by visiting reputable online marketplaces or contacting manufacturers directly.

1. The capacity needed (small, medium, large)
2. Desired precision in processing
3. Whether automated operation is required
4. Availability of spare parts and maintenance services

For more accurate and up-to-date prices, I recommend checking with suppliers or purchasing directly from manufacturers who specialize in food processing equipment. Additionally, consulting industry publications or websites dedicated to agriculture and food technology might offer insights into market trends and pricing strategies.