... peanut, soybean, cottonseed, rapeseed, oil sunflower seed, sesame, bancoul nuts, almond, walnut, tea seed, prickly ash seed, oil palm ... has been prolonged the service life by using the high quality steel and processed by carburizing heat treatment, thus reducing the ... peanut, soybean, cottonseed, rapeseed, oil sunflower seed, sesame, bancoul nuts, almond, walnut, tea seed, prickly ash seed, oil palm ...