Dumina Co., Ltd. is the Korean shaft technology company behind the AutoFlex and AutoPower brands. Founded with a singular mission — to design and manufacture the world's most advanced carbon-fiber golf shafts — Dumina has grown from a small R&D facility in Seoul to a globally trusted brand in 95+ countries.
Dumina Co., Ltd. founded in Seoul, Korea. AutoPower shaft production begins — the first step toward Korean Hidden Technology.
LPGA Tour — Jenny Shin wins with AutoPower shaft. First professional tour victory for a Dumina shaft.
LPGA Tour — Ji Eun-hee and Shin Ji-ae win with AutoPower. Dumina gains momentum on the world's biggest tours.
AutoFlex launches — the first shaft to bring full KHT technology to market. Immediate adoption by tour players worldwide.
AutoFlex SF Series debuts. Adam Scott puts the SF505XX in play at PGA Tour events — the shaft that changed the game.
Titleist adds Dumina AutoFlex to their premium custom fitting matrix — the first major OEM to validate KHT technology.
Outstanding Sports Company of the Year — Korea Sports Promotion Foundation. Korea Sports Industry Awards Excellence Award — Ministry of Culture, Sports & Tourism. Callaway adds Dumina AutoFlex as premium custom shaft option.
Headquarters expansion to Gwangju, Gyeonggi-do. Exemplary Taxpayer commendation — Deputy Prime Minister of Korea.
Dream 7 launches — Gen-2 KHT with redesigned tip section. JOY365 & FlexOne released. AutoPower expands with Snipe & Flex. AutoPower Snipe passes Titleist R&D validation.
40+ tour wins across LPGA, KPGA, KLPGA, PGA Tour Champions. Hottest selling driver shaft on Fairway Jockey — Golf.com (2022). Callaway OEM partnership confirmed.
95+ countries served. Global marketing hub duminagolf.com launched — US center in Orange County, California. PING adds Dumina AutoFlex as premium custom shaft option — joining Titleist & Callaway. Team Dumina Long Drive squad launched with 9 professional athletes.
Continuing the mission: lighter, faster, more accurate shafts through KHT — engineered in Korea, trusted worldwide.
Dumina shafts are engineered and manufactured in Korea. Premium carbon fiber materials sourced from Japan and Korea. Every shaft frequency-tested before it leaves the factory.
Dumina Golf engineers two premium shaft families — AutoFlex and AutoPower. AutoFlex and AutoPower are not separate brands. They are shaft lines designed and manufactured by Dumina Co., Ltd. in South Korea.
Full-length KHT throughout the entire shaft body. Maximum energy transfer. Active, whippy feel — the signature AutoFlex kick that created a category. 5 driver models from 41-57g covering 70-120 mph.
Strategic KHT zones — the power of KHT with a more familiar loading curve. Controlled trajectory, tighter dispersion. 5-7 flex options per line covering 60-130 mph. The perfect bridge between conventional shafts and full KHT.
Discover the KHT engineering that makes Dumina shafts different from everything else.