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)品實行100%全面檢測/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
