Charcoal. Crock barbecue is a great historical contribution of antique incense to traditional crock craft, which can be said to be the first in the industry and the unique secret of antique incense based on the market. The antique crock barbecue technology completely solved the problem of lampblack around the shop. In a crock, charcoal is fully burned to save carbon. Mutton skewers are evenly heated, easy to cook, delicious, and green and healthy without added natural secret packaging.