Supply of electromagnetic speed-adjustable motor with speed regulator, stepless reducer

 Direct supply of carton drop test machine

 AUPO square thermal fuse, A8-1A-F 150℃ fuse

 Mass supply of loudspeaker dust screen and dustcloth

 Supply of DC speed regulator (2)

 Supply of FB160HA floor type boring and milling machine

 Microcomputer tension teste

 Supply of fine quartz sand and powder

 Supply of 410 screwing stainless steel wire

 ABL6TS04U Schneider isolation transformer 220v-380v 40VA

 Supply of 303cu grinding rod, 303 bright rod,303 BITAUTO stainless steel rod

 Supply of loudspeaker dust screen

 Yuqing cold-pressed terminal

 Floor-type boring-milling machine

 Supply of angle steel, 304 stainless angle steel

 Filter inductance, inductance coil

 Pin type power transformer for PCB installation

 S45C round carbon steel , No.45 round steel rod

 Supply of YAW-3000 full-automatic compression-testing machine

 ISO pressure switch, IPH-150 E ISO pressure relay

 HOF pressure relay

 Supply of high-conductivity Mn-Zn ferrite core

 LG-6-20202

 HITPOINT buzzer PK-35A29EP220SQ PF-35N29ER-24 PF-621

 0.8-1.2mm fine quartz sand

 254smo seamless stainless steel tube