1.automatic control head 2.five motor control 3.Socks from 64 to 280 needles ... 4900 r / min, yield up to 900 pairs/hour.2. self-lubricating head device, longer service life; work, ... working environment.3. the automatic trimming device, effectively control the length of uniform socks, cut sutures, unity.4 ... length, effective control of the suture in the sewing of a waste of time.6. dual-channel head sewn ...