For data cats with slightly higher requirements, the design is 5%, including drawing review, design change, steel 40%, processing 40%, assembly fitter mold test 15%. Except for the design, others have fluctuations of about 5%.

If it is 654.38+10,000 yuan, the profit is generally 20,000-30,000 yuan in Suzhou, so the expenses of each part are calculated by yourself.