Welcome to SEJIN SMC Company that gallops to the world arena.
We sincerely appreciate for visiting Sejin's web home. Since the foundation in 1981, Sejin has focused on SMC and FRP products only.
As a fron leader of this industry in Korea, Sejin dedicated our efforts continuously for new product development and quality improvements; and have secured the Korean industrial standard certification (KS F4806), designatiion as a quality assurance company (QA-523), designation as a 'promising Small Business,' ISO 9001 certification, and GQ mark.

Sejin SMC Ltd. is a professional manufacturer of SMC water tanks for construction sites and industrial facilities; TMC sink bowls; top boards; chemical tanks for FRP plant construction projects; ducts; and covers.

Sejin pledges to continue to put forth the best R&D efforts to maintain the highest level of quality and defect free installation as the leader in the industry.

SEJIN SMC is a professional producing SMC Water Tank, AQUWEL SYSTEM, SMC Ceiling Panel, Khanstone.