關於「Echain tool」標籤，搜尋引擎有相關的訊息討論：

Turning Tool holder, end mill cutter, Echaintool Precision Co., LTD ...Manufactured cutting tools for metalworking for CNC Machinery including Carbide ... Grooving, Threading, Milling Tools, and Inserts, Echaintool is in Taiwan.缺少字詞： gl= | 必須包含以下字詞：gl=jimtof 2020 - Echaintool2