SEAIN IND to Showcase Automotive Washers and Copper Busbars at Expo 2026
News related to:SEAIN IND Co., Ltd · 2 min read
SEAIN IND Co., Ltd., a Korean precision press manufacturer founded in 1988, will showcase its automotive washers and EV copper busbars at the International Fastener Expo 2026, which begins on October 7 with an industry summit and runs through October 9.
Headquartered at the Namdong National Industrial Complex in Incheon, South Korea, SEAIN IND has built a reputation for expertise in mold design and high-volume press production for the automotive fastening component supply chain. The company operates 55 press machines, with a monthly production capacity of up to 400 million units. Its manufacturing operations are supported by an IATF 16949-certified quality management system and MES-based production traceability.
SEAIN IND's product portfolio includes general-purpose washers such as flat washers, conical spring washers, and wave washers, as well as special washers and precision press components requiring tighter tolerance control. These products include back-up rings, valve washers, needle roller washers, and caps. In recent years, the company has expanded its precision stamping capabilities into copper busbars for electric vehicle battery packs, combining stamping and bending technologies to manufacture busbars in a variety of shapes and specifications.
The company supplies general and special washers to Tier-1 bolt and nut manufacturers serving domestic automakers, as well as Tier-1 fastener manufacturers participating in global OEM supply chains. SEAIN IND also operates its U.S. subsidiary, SAC Fastener Inc., which supports customer communication and local supply response across the North American market. Through its participation in the International Fastener Expo 2026, the company aims to further strengthen its presence in North America and establish direct business connections with international buyers in the fastener and automotive parts industries.
SEAIN IND's expansion into copper busbars also reflects its broader strategy to move beyond its traditional washer business and increase its presence in the future mobility component sector. The company's busbar-related technology received an Excellence Technology Award at Hyundai Motor's 2025 Tech Day.
At its exhibition booth, SEAIN IND plans to showcase its lineup of standard and special washers alongside copper busbars for EV battery packs. The company will also hold on-site meetings with overseas buyers throughout the three-day event.
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The company's participation in the International Fastener Expo 2026 is part of a broader strategy to expand its international business and establish direct connections with key players in the automotive and fastener industries.