Filin sarrafa kayan aiki na Huunheng ya kafa shi ne a cikin 2010, wanda yafi samar da maɓuɓɓugan ruwa, gurɓen masarufi, hay rake springs, torque Springs, torque Springs, torque Springs, torque Springs, torque Springs, torque Springs, torque maɓuɓɓugan maɓuɓɓugan ruwa.