50000根=2箱
¥0.1200/根
5000根=1盒
¥0.1800/根
2000根=1盒
¥0.2800/根
1000根=1盒
¥0.6500/根
¥0.7900/根
10000根=1箱
¥0.1100/根
¥0.3700/根
¥0.2200/根