ing ▁equipment . ▁Al umin um ▁products , ▁industrial ▁chemical s , ▁and ▁fert il izers ▁are ▁produced ▁on ▁a ▁large ▁scale , ▁and ▁there ▁is ▁a ▁large ▁rub ber ▁industry . ▁Co pper ▁is ▁m ined ▁in ▁nearby ▁Ga olan . ▁ ▁L anz hou ▁has ▁been ▁one ▁of ▁the ▁cent ers ▁of ▁China ' s ▁national ▁nuclear ▁power ▁industry ▁since ▁the ▁ 1 9 6 0 s . ▁ ▁Agricult ure ▁L anz hou ▁is ▁the ▁collect ing ▁center ▁and ▁market ▁for ▁agricult ural ▁produce ▁and ▁liv est ock ▁from ▁a ▁wide ▁area . ▁ ▁Spring ▁whe at , ▁veget ables , ▁be ans , ▁oil - bo iling , ▁mel on , ▁pe aches , ▁and ▁to b acco ▁Ros es ▁and ▁l il ies ▁ ▁Transport ation ▁ ▁Airlines ▁ ▁L anz hou ▁Zh ong ch uan ▁Airport ▁is ▁the ▁main ▁air port ▁serving ▁L anz hou , ▁it ▁is ▁located ▁ ▁north ▁of ▁L anz hou . ▁It ▁opened ▁for ▁public ▁service ▁in ▁ 1 9 7 0 . ▁ ▁The ▁air port ▁offers ▁direct ▁connections ▁to ▁over ▁ 7 0 ▁international ▁and ▁domestic ▁destin ations . ▁ ▁Railway ▁ ▁Sub way ▁ ▁L anz hou ▁was ▁the ▁second ▁city ▁in ▁north west ▁China ▁to ▁announ ce ▁the ▁construction ▁of ▁a ▁sub way ▁line , ▁in ▁August ▁ 2 0 1 2 . ▁The ▁urban ▁railway ▁network , ▁L anz hou ▁Metro , ▁is ▁planned ▁to ▁consist ▁of ▁six ▁sub way ▁lines ▁running ▁. ▁The ▁first ▁line ,