Our factory has recently developed two types of six shuttles circular loom: One is heald belt type and the other is heald bar type. Six shuttles running in place of four with increased two more shuttle trips; Hence these two types of loom can be 30--50% faster than the four shuttles type and about 30% less power-consumption. According to the current market-developing trend, these six shuttles type will take the leading role in making medium size of plastic woven bags. Especially the SJ-SYG750-6 Circular Loom is at the advanced level in domestic market mainland China.