The process statistics are as follows:

(1) There were 14 cases of L-type engine block and 36 cases of V-type cylinder block;

(2) There were 12 cases of HT200 engine block, 28 cases of HT250 engine block and 10 cases of HT250 cylinder block;

(3) The distribution of cylinder number;

(4) The minimum mass is 38kg and the maximum mass is 9100kg;

(5) There were 6 cases of bottom injection, 18 cases of middle injection and 26 cases of ladder type;

(6) Application industry distribution of cylinder block.