Los Angeles - Shima Seiki U.S.A. INC., the U.S. subsidiary of Japanese flat knitting machine manufacturer Shima Seiki Mfg., will hold an "Advanced 3D Knitting Seminar & Workshop" during the Grand Opening of its new Showroom and Training facility at the California Market Center in Los Angeles, California, U.S.A. on September 21st, 2015.