Sjuman Instruments is established since 2013 in Jakarta and Bumi Serpong Damai (BSD) City. Specialise in making guitar, bass and piano instruments. Our instruments are designed by Aksan Sjuman, originally made and crafted in Indonesia. For guitar and bass designs, technician and luthier, Aksan works with Hartop as the craftsmen for the guitars and the basses, and with Ganee as the pickup maker for the electric guitars. For piano designs, he collaborate with some Indonesian professional piano technician, Frankie Lioe.