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Chienfu Enterprise, located in Taipei, the capital of Taiwan, was founded in 1979. With 30+ years of experience and nearly 100 units of CNC machine tools and testing equipment, it is dedicated in producing high precision machine parts and accessories. Under the leadership of the founder and general manager, Mr. Chuang, the company has been providing its global customers with quality products and meet their satisfaction. Chienfu has also been continuously developed and innovated new product to deliver its customer's needs. It specializes in manufacturing the sophisticated hinges used in many industries, ex. auto parts, LCD, PDA, PMP, GPS, accessories, etc. Chienfu has owned, with its strong R&D team, a number of patents in the past years and also granted the ISO9000 authentication and QC080000 RoHS certificate from ECCB in 2007. The company has successfully developed the patented SLOKY Preset Torque Screwdriver and distributed it worldwide since 2013. 

ACSC International Inc, a Los Angeles based importing company, specializes in the industrial supply since 2008. With the combined experience of 20+ years in the precision machining and cutting tools, ACSC has started importing and distributing SLOKY preset Torque Screwdriver since March 2014.