This is series of three points on the Large Intestine Channel located on a line between Large Intestine 5 and Large Intestine 11.
Qi Men (33.01) This point is 2 cun proximal to the crease of the wrist, which is where Master Tung located Large Intestine 5 (slightly proximal from the location taught in TCM schools) on a line between LI 5 and LI 11.
Qi Jiao (33.02) 4 cun proximal to the crease of the wrist on a line between LI 5 and LI 11.
Qi Zheng (33.03) 6 cun proximal to the crease of the wrist on a line between LI 5 and LI 11.