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I have all kinds of seamless steel pipe production and marketing company, which mainly are : High Pressure Boiler Tube GB5310-95; 20G. ST45.8-III.15MoG.20MoG.20MnG.25MnG.A106B . A106C.SA210C.15Mo3. Fertilizer Used ;GB6479-2000; 16Mn.Q390.15MnV. Low Alloy; Q390.Q420.Q460.Q295. import alloy; 13CrMo44.15CrMo.12Cr1MoV.Cr5Mo. etc.
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