4399在线视频免费观看

一般項目：化(hua)(hua)工(gong)產品(pin)(pin)銷(xiao)售(shou)(shou)（不(bu)含許可類化(hua)(hua)工(gong)產品(pin)(pin)）；成(cheng)品(pin)(pin)油(you)批發(fa)（不(bu)含危險(xian)化(hua)(hua)學(xue)(xue)品(pin)(pin)）；專(zhuan)用化(hua)(hua)學(xue)(xue)產品(pin)(pin)銷(xiao)售(shou)(shou)（不(bu)含危險(xian)化(hua)(hua)學(xue)(xue)品(pin)(pin)）；涂料銷(xiao)售(shou)(shou)（不(bu)含危險(xian)化(hua)(hua)學(xue)(xue)品(pin)(pin)）；肥料銷(xiao)售(shou)(shou)；煉油(you)、化(hua)(hua)工(gong)生產專(zhuan)用設備銷(xiao)售(shou)(shou)；工(gong)程(cheng)塑料及合(he)成(cheng)樹脂銷(xiao)售(shou)(shou)；石油(you)制(zhi)品(pin)(pin)銷(xiao)售(shou)(shou)（不(bu)含危險(xian)化(hua)(hua)學(xue)(xue)品(pin)(pin)）；新型催化(hua)(hua)材料及助劑(ji)銷(xiao)售(shou)(shou)；潤滑油(you)銷(xiao)售(shou)(shou)；技(ji)(ji)術(shu)服務、技(ji)(ji)術(shu)開發(fa)、技(ji)(ji)術(shu)咨(zi)詢、技(ji)(ji)術(shu)交流、技(ji)(ji)術(shu)轉讓(rang)、技(ji)(ji)術(shu)推廣(guang)；日用百貨銷(xiao)售(shou)(shou)；食品(pin)(pin)添加劑(ji)銷(xiao)售(shou)(shou)；橡(xiang)膠制(zhi)品(pin)(pin)銷(xiao)售(shou)(shou)；生物化(hua)(hua)工(gong)產品(pin)(pin)技(ji)(ji)術(shu)研發(fa)。