this belt is used for circular knitting machine, and the brand is HEIBO.this brand we have blue color and yellow color. we can manufacture 6000,6200,6400,6600,6800,7000,7200,7400,7600,7800,8000,8200,8400,8600,8800,9000,9200,9400,9600,9800,10000,10200,10400,10600,10800,11000,11200,11400,11600,11800,12000 and etc. if you need special type, we can also make it for you as your requirement.