Is the gross profit margin 70% high?

Tall man. The gross profit margin of different industries is different: in most cases, the gross profit margin of catering industry is 35%-70%, that of commerce is 10%-30%, and that of wholesale is 15%-20%. Compared with 70%, the gross profit margin of 70% is very high. Gross profit margin is the percentage of gross profit and sales income (or operating income), where gross profit is the difference between income and operating cost corresponding to income.