[INQ. NO. 2110M24] Youngjin Flex Co., Ltd. established in 1991, has been growing in the Korean industrial equipment sector including the manufacturing of building, firefighting, environmental (anti-noise and anti-vibration) equipment and plants based on steady efforts and customer trust, since the company was established in 1991.
The company has earned trust and gained good responses from customers at home and abroad by producing and selling excellent industrial equipment such as bellows, flexible joints, expansion joints, water hammers, sprinkler heads and hoses, among others.
In particular, certification organizations and customers around the world recognize the quality of Youngjin Flex products as its flexible sprinkler hose set for firefighting received the UL, FM, LPCB, Vds, and CNBOP certifications, and the UL organization certified its sprinkler head.
In 2018, the company sharpened its competitiveness through continuous product development such as the FM certification of sprinkler hoses for clean rooms.
Flexible sprinkler hoses are materials for fire-extinguishing equipment used for the early suppression of fires. It is an expansion joint pipe that connects firefighting pipes and sprinkler heads in sprinkler facilities.
This product saves company labor and production costs. It is flexible so it can be easily used in the field. The material of the bellows is STS, which passed the test by the Korea Fire Institute and received the UL, FM, LPCB, VdS and CNBOP certifications.

The product was developed based on Youngjin Flex’s R&D center’s 20 years of expertise, and features excellent performance.
In addition to flexible hoses, the company also produces sprinkler heads that include upright, pendent, sidewall, flush, dry pendent, and sight glass union types. Of these, the upright and pendent type passed the UL certification tests.
Youngjin Flex won a $10 million Export Tower Award by the Korea International Trade Association (KITA) in December 2018, contributing to the nation’s accumulated growth of exports in the year.
Youngjin Flex is highly recognized not only for its excellent product quality, but also for its quick deliveries and customer satisfaction. The company is currently seeking long-term business partners.
In July 2020, Youngjin Flex launched the loop flexible joint, which received UL and FM certification. In particular, UL certification was acquired for the first time in Korea.
The loop flexible joint is designed to protect fire and other piping in buildings from shocks generated by seismic load or ground subsidence in the event of earthquakes.
There are some benefits of the loop flexible joint including: simple structure; excellent expansion compensation properties; smaller spatial requirements for the same level of expansion; and easy piping alignment and multiple pipe arrangements for efficient space use. It is being supplied to the U.S. market.
 
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