4399免费视频

一般項目(mu)：金(jin)(jin)(jin)屬(shu)(shu)(shu)結構(gou)制(zhi)造(zao)；金(jin)(jin)(jin)屬(shu)(shu)(shu)材料(liao)制(zhi)造(zao)；繪圖、計算及(ji)測量儀器制(zhi)造(zao)；金(jin)(jin)(jin)屬(shu)(shu)(shu)材料(liao)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；金(jin)(jin)(jin)屬(shu)(shu)(shu)結構(gou)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；鋼壓(ya)延(yan)加(jia)工(gong)(gong)(gong)；衡器銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；建(jian)筑用(yong)鋼筋產(chan)品(pin)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；非金(jin)(jin)(jin)屬(shu)(shu)(shu)礦(kuang)及(ji)制(zhi)品(pin)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；有色(se)(se)金(jin)(jin)(jin)屬(shu)(shu)(shu)合金(jin)(jin)(jin)制(zhi)造(zao)；有色(se)(se)金(jin)(jin)(jin)屬(shu)(shu)(shu)壓(ya)延(yan)加(jia)工(gong)(gong)(gong)；有色(se)(se)金(jin)(jin)(jin)屬(shu)(shu)(shu)合金(jin)(jin)(jin)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；新材料(liao)技術研發；黑色(se)(se)金(jin)(jin)(jin)屬(shu)(shu)(shu)鑄(zhu)(zhu)造(zao)；有色(se)(se)金(jin)(jin)(jin)屬(shu)(shu)(shu)鑄(zhu)(zhu)造(zao)；金(jin)(jin)(jin)屬(shu)(shu)(shu)切(qie)削加(jia)工(gong)(gong)(gong)服(fu)務；金(jin)(jin)(jin)屬(shu)(shu)(shu)礦(kuang)石銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；新型金(jin)(jin)(jin)屬(shu)(shu)(shu)功能(neng)材料(liao)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；金(jin)(jin)(jin)屬(shu)(shu)(shu)制(zhi)品(pin)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；電(dian)線、電(dian)纜經營；五金(jin)(jin)(jin)產(chan)品(pin)批發；五金(jin)(jin)(jin)產(chan)品(pin)零售(shou)(shou)(shou)(shou)(shou)；建(jian)筑材料(liao)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；園林綠化(hua)工(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)；土石方工(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)；體育(yu)場地設施(shi)工(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)；日用(yong)百(bai)貨銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)