整體氮化/納米金鈦特殊處理
    Whole nitriding/Nanometer golden titanium special handling
    進(jìn)口鋼帶環(huán)/import steel ring belt
    產(chǎn)品實(shí)行100%全面檢測(cè)/暢銷東南亞及歐美地區(qū)
    The product implements 100% comprehensive examination/Best-selling Southeast Asia and European and American area