▁of ▁the ▁Boh ai ▁Bay , ▁ 9 0   km ▁from ▁C ang z hou ▁city . ▁Hu ang h ua ▁port ▁is ▁one ▁of ▁the ▁largest ▁and ▁fast est ▁growing ▁ports ▁in ▁North ▁China , ▁with ▁a ▁through put ▁of ▁ 1 7 1 . 0 3 ▁million ▁tons ▁of ▁total ▁cargo ▁in ▁ 2 0 1 3 , ▁an ▁increase ▁of ▁ 3 5 . 4 2 % ▁year ▁on ▁year . ▁ ▁Through put ▁increased ▁to ▁ 2 0 4 ▁million ▁t onnes ▁in ▁the ▁first ▁ten ▁months ▁of ▁ 2 0 1 6 , ▁largely ▁due ▁to ▁coal ▁transport ation . ▁In vest ment ▁in ▁the ▁port ▁is ▁over ▁$ 8 ▁billion , ▁and ▁over ▁ 2 0 ▁sh ipping ▁companies ▁opened ▁ 1 3 ▁sh ipping ▁lines ▁from ▁the ▁port . ▁ ▁Hu ang h ua ▁Port ▁is ▁owned ▁by ▁China ▁Sh en h ua ▁Energy , ▁its ▁port ▁division ▁provides ▁all ▁coal ▁transport ation ▁services ▁at ▁Hu ang h ua . ▁ ▁History ▁ ▁Layout ▁The ▁Port ▁of ▁Hu ang h ua ▁is ▁divided ▁into ▁four ▁port ▁areas : ▁the ▁Co al ▁Port ▁Area ▁( <0xE7> <0x85> <0xA4> <0xE7> <0x82> <0xAD> 港 区 ), ▁the ▁Com pre h ensive ▁C argo ▁Port ▁Area ▁( <0xE7> <0xBB> <0xBC> 合 港 区 ), ▁the ▁Est u ary ▁Port ▁Area ▁( 河 口 港 区 ), ▁and ▁the ▁Bul k ▁C argo ▁Port ▁Area ▁( <0xE6> <0x95> <0xA3> <0xE8> <0xB4> <0xA7> 港 区 ), ▁which ▁is ▁under ▁construction .