Jing 'an Rest Corner? You mean the angle of repose of bulk cargo, right? These things can't be found online. These are the data obtained in the loading laboratory, and the specific data of each ship will change, although they are similar. For example, a grade C ore is 37. If you are interested, you can go to Baidu Library to learn about Baidu International Shipping International Bulk Cargo Rules. If you want to declare your own spot or futures, you can ask the customer or agent for the shipper's delayed declaration, which has clear information. I hope I can help you.