Type A：SMA external thread, internal hole, with 1st generation IPEX connection
Type B：SMA external screw with internal needle rotates 1st generation IPEX
Type C:SMA external thread and internal hole welding connection
Type C1：SMA external screw and internal needle rotary welding
Type D:4-joint semi-socket SMA external thread internal hole conversion 1st generation IPEX
Type E:4-foot full-coverage SMA external threaded internal hole with 1st generation IPEX
Type F:L-shaped SMA external thread with internal hole for 1st generation IPEX conversion
Type G:SMA internal screw and needle rotary welding
Type H:SMA external thread, internal hole turn (4th generation) IPEX
Type I:SMA external screw-in needle rotation (4th generation) IPEX
Type M1:Outer thread, inner hole, rotate 1st generation 178 turns
Type M2:External screw and internal needle rotate 1 generation with 178 lines
Type M3:External screw and internal needle rotate 1 generation with 178
Type P1:Internal thread and internal needle turning into external thread and internal hole (316 material)
Type P2:Internal thread and internal hole, then external thread and internal needle (made of 316 material)
Type P3:Internal thread of the elbow, external thread hole of the elbow end, 316 grade stainles steel wire
