510720010

HS 编码 510720010（第 51 章「羊毛、动物毛」；品目 5107「精梳羊毛纱线，非零售包装」；子目 510720「羊毛含量低于85%」）在日本税则中对应"- Of a weight of not less than 40Nm and with a twist of not more than 400 turns per metre; of a weight of less than 40Nm and with a twist not more than 350 turns per metre"。日本海关对该编码商品征收一般税率 3.2%、WTO 税率 2.7%。法定计量单位为KG。目前有 21 项自贸协定优惠税率可适用于该编码。