5 . ▁Prior ▁to ▁ 2 0 1 4 ▁the ▁piano ▁name ▁was ▁made ▁by ▁the ▁D ong bei ▁P iano ▁Co . ▁and ▁for ▁a ▁while ▁in ▁ 2 0 1 4 - 2 0 1 5 , ▁the ▁line ▁consisted ▁of ▁pian os ▁made ▁by ▁both ▁D ong bei ▁and ▁the ▁Pear l ▁River ▁P iano ▁Group . ▁▁ ▁Pear l ▁River ▁has ▁produced ▁the ▁H & D ▁Sign ature ▁Series , ▁exclus ively ▁since ▁ 2 0 1 5 . ▁The ▁" Her itage " ▁H & D ▁Series ▁is ▁an ▁entry ▁level ▁piano ▁group , ▁made ▁by ▁Bei ij ing ▁H sing H ai ▁Musical ▁Inst ru ments ▁Corporation , ▁and ▁the ▁more ▁orn ate ▁" Im per ial " ▁H & D ▁Series ▁is ▁made ▁by ▁Par s ons ▁Music . ▁▁ ▁The ▁Sign ature ▁Series ▁grand ▁pian os ▁are ▁usually ▁chosen ▁by ▁profession als ▁and ▁advanced ▁am ateurs ▁for ▁their ▁leading ▁value ▁in ▁materials , ▁and ▁uses ▁the ▁same ▁materials ▁as ▁the ▁Stein way ▁and ▁S ons ▁Boston ▁line ▁( made ▁in ▁Japan ), ▁but ▁makes ▁the ▁series ▁at ▁the ▁same ▁location ▁as ▁the ▁Stein way ▁and ▁S ons ▁Es sex ▁line ▁( lower ▁cost ▁than ▁Boston ) ▁at ▁the ▁Pear l ▁River ▁site . ▁The ▁largest ▁Sign ature ▁Series ▁grand ▁piano ▁in ▁regular ▁production ▁is ▁ 6 ▁ft ▁ 2 ▁in , ▁with ▁only ▁ 2 0 ▁made ▁per ▁year ▁for ▁the ▁U . S . ▁( a ▁ 7 - foot ▁Sign ature ▁Series ▁Grand