OK, you win the race to the bottom. Congrats!
I sampled cheap stuff to figure out what to buy at larger quantities.
USB-B
Good:
C456324 TXGA FUS213-FDBK6K
C46393 Jing Extension
OKish:
C386743 Ckmtw U-USBBR04P-F001
Bad:
C397338 XKB U241-041N-1BR85-1
C388656 XKB U241-041N-1WR85-5
C189733 Ckmtw
C46392 Jing Extension
micro USB type 1:
Good:
C91146 Korean Hroparts U-F-M5DD-Y-L
C10418 Jing Extension
Bad:
C319164 XKB U254-051T-4BH23-S2B
C482361 XKB U254-051T-4BH23-S2S
micro type 2:
Good:
C40943 Jing Extension (short)
C91467 Korean Hroparts U-F-M5DD-Y-1 (short)
Bad:
C386748 Ckmtw U-MICRM05P-BF13 (long)
C386747 Ckmtw U-MICRM05P-BF12 (short)
C319170 XKB U254-051N-4BH806 (long)
micro USB type 3:
Good:
C40946 Jing Extension