... the process of operation to the greatest. 2 A complete series of machines to satisfy our customers’ requirements. 3 Safety, cost ... pipe-making machine for your reference:YJ-30, small YJ-40, YJ-40, big YJ-40, YJ-50, YJ-60, YJ-80, YJ-100 The technical parameters of ... the YJ-40 for your choice: ModelHorizontal shaft ...