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4.5元可否賺錢(qián)? |
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點(diǎn)評(píng)
材料大概要2.4元了,不過(guò)每件大概有0.35的鐵屑,加工量不小,走心機(jī)能干嗎
滲碳淬火后不變形?或者外觀能達(dá)到要求?
材料哪怕就是2.5元,3萬(wàn)件賣(mài)賣(mài)廢料都很不錯(cuò)了,要是轉(zhuǎn)手給我2.5元我接單
你算下材料成本是多少
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點(diǎn)評(píng)
啥材料,有點(diǎn)高啊
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