Chi Zong Machine Co., Ltd. is the number one professional manufacturer of winch & hoist in Taiwan. We developed a leading quality of Taiwan brand "STORNG" and our exporting brand name is "DUKE".  Our company established in 1979 and we producing excellent quality of hoisting equipment for 30 years. Products range are : AC power: Electric mini chain hoist, Electric mini wire winch, Electric wire winch Electric chain hoist, Electric all-purpose wire winch. DC power: OFF-ROAD ...