本公司系列产品中，每支（个）产品上均有一组独立的产品序列码，是唯一验证该产品合法身份的字符，产品序列码由11位英文+数字组成（多功能折叠军刀的旧序列码由14位英文+数字组成），当您输入序列码进行查询时系统会显示该产品的相关信息。序列码的字母不分大小写.。

Every single product we made has its own Serial Number for identification and authentication, which is an 11-digit code consisting of letters and numbers (Multi-function knives’ codes are 14-digit). Letters are not case-sensitive.。