There is a stainless steel 304 chain producing line that is made up of NCHW3-600B model coil feed line, 400T H-frame power press and transfer mould&3D transfer system in CHENNAI INDIA. Strips are unwound, straightened and fed into power press automatically by NCHW3-600B model coil feed line. Then, work piece finish process in 8 set transfer mould by 3D transfer system grippers in turn.