Hello. Our company is engaged in deep processing of bile of cattle. We are ready to buy the above product in unlimited quantities, frozen in briquettes. The collection of bile is not time-consuming and costly, requires additional manpower. The plants that do not collect the bile, it is utilized, and meanwhile, the collection is quite simple. We have organized collection of frozen bile and if You have even a small party, and you carry its products to Moscow oblast, we will be able to take it from You. We will be glad to our cooperation. If you have not previously collected the bile of cattle, we are ready to provide video-instructions for collection of bile of cattle.