雙頭呆扳手DoubleOpenEndWrench 采用鉻釩鋼，45＃碳鋼材料。Material:CarbonSteel or Chrome-Vanadium 表面處理：亞光，鏡拋，噴砂SurfaceTreatment:MattFinisingMirrorPolishedSatinFinishing 產(chǎn)地：浙江溫嶺PlaceOfOrigin:WenlingCity,ZhejiangProvince,China 交貨期：30--45天或者根據(jù)訂單數(shù)量大小DeliveryTime:30-45daysoraccordingtotheordernumber 產(chǎn)品經(jīng)鍛打、冷壓、熱處理、拋光、研磨、電鍍等工藝。Theproductsbydropforgedcoldstampedheattreatmentpolishinggrindingelectroplatingandotherprocesses.