Established in Seongdong-gu, Seoul in 1988, SEA IN Industry has been growing through continuous efforts over the last 30 years for new technology and product development, and strict quality control in order to open the future of Korea’s press industry and actively respond to customers’ diverse needs and market changes. SEA IN Industry specializes in the manufacturing of washers, an essential element for the production of automobile, electronic, and communication parts. 

[information]

Address

68-5, Nonhyeongojan-ro 128-beongil, Namdong-gu, Incheon Metropolitan City, Korea (308-8, Gojan-dong)

Tel

+82-32-446-1931

Fax

+82-32-446-1937

Website

http://www.seain.kr/

Products

Washer for automobile bolt, special washer, various press products

Certifications

SQ IATF16949, ISO 9001, INNOBIZ, MAINBiz, Parts and Materials Specialist

Production Facilities

50 type C knuckle presses (40, 60, 80, 100, 150, 300, and 400-ton)

[History]

• 1988 SEA IN Precision established
• 2003 Extended and relocated plant to Namdong Industrial Complex
• 2011 Obtained INNOBIZ certification
• 2014 Obtained Hyundai - Kia Motors SQ Mark
• 2015 Exported products directly to Semblex Co., Ltd, U.S.
• 2018 Registered as primary partner for Ando

[Business Overview and Key Products]

Manufacturing washers necessary for automobile assembly
- Cage Nut: Used to fasten automobile battery, applicable to shelf and cabinet assembly, developed with focus on
convenience of work
- Contact Washer: Applied to products that are prone to bolt and nut unfastening due to severe vibration and impact, and
thus require unfastening prevention
- Disk Washer: Preventing failure of rotating body by reducing surface friction, and thus decreasing heat generation
- SUS Handle: Strengthening cabinet, drawer, and tool box handles through the use of STS
- Steel Band: Developed for STS bending to fasten electric poles, communication poles, and communication relays, etc.

[Features and Strengths]

The company manufactures products under the system of internal mold production, design, development review, and
identification of and improvement on problems. Equipped with the system to produce multiple items in small quantities,
the company is capable of producing at least 3,000 items and approximately 400 million washers a month. In addition to
excellent cost competitiveness, the company ensures short response time for newly developed items

[Key Products]

• Disk Washer
• Handle
• Special Toothed Washer
• Contact Washer
• Steel Band
• Snap Ring Washer
• Valve Washer
• Copper Bus Bar
• Cage Nut

[Production Facilities]

• Production Line 1
• Production Line 2
• Vision Inspection Machine
• Vibration Tester