Shandong Anai Transmission System Co., Ltd bụ ọkachamara na-ebufe eriri eriri na-ejikọta R&D, mmepụta na ahịa, yana ahụmịhe ụlọ ọrụ afọ 15 na ntọala mmepụta onwe ya maka akụrụngwa nke eriri ụlọ ọrụ, ntọala mmepụta maka nhazi miri emi nke eriri ebu, yana ntọala mmepụta maka eriri synchronous na pulleys na-emekọrịta ihe. Ngwaahịa ndị bụ isi bụpvc/pu ebu eriri, chere ebu eriri, eriri ebufe roba, eriri ebufe nri, eriri ebu akwa, eriri synchronous, oge pulleys, eriri nnyefe dị larịịna ụdị eriri nnyefe ndị ọzọ.