2018

02

• Registered Patent No. 10-1825100, "Air Shaft Sealing Device for Powder Machine".
• Registered Patent No. 10-1825112, "Air Shaft Sealing Device for Powder Machine"

2017

04

• Registered Patent No. 10-1725941, "Stirring Paddle for Drying Devices Using Microwave to Minimize Reflected Wave"
• Environmental technology development project "Development of Low-Grade Environment-Friendly Combustion Microwave Plasma Steam Burner" - currently the supervising company (17.4.20 ~ 18.12.31)
• Registered Trademark No. 40-1249362,1249367, 1249375, 1249382, "에어씰", "AIR SEAL", "AIR SHAFT SEAL", "에어샤프트씰"

2016

09

• Registered Patent No. 10-1658217, "Combined Drying System with Heat Recovery and Heat Recovery by Microwave"
• Completed the supervision of the Knowledge Economy Technology Innovation Project 'Smart Heat Hybrid Drier Development' project (13.12 ~ 16.09)

01

• Registered Trademark No. 40-1225299, & "Non-gravity Mixer"

2015

05

• International Patent Application PCT/KR/2015/004907

03

• Registered Trademark No. 40-1095326, No. 40-1099713, "PADDLE MIXER".

2014

09

• Awarded Prime Minister's Prize for Root Technology Competition in 2014

08

• Registered Trademark No. 40-1054553, No. 40-1054557, No. 40-1054559 "무중력혼합기", "Non-gravity Mixer", "무중력혼합기 NON-GRAVITY MIXER"

2013

07

• Registered Trademark No. 40-0985031, "SHOVEL"

06

• Participated in the "Development of Vibration Fluidized Bed Dryer using Swirling Airflow" conducted by Korea Energy Technology Evaluation and Planning (11.07 ~ 13.06)

04

• Registered Patent No. 10-1252664, "Non-gravity Fluid Bed Drying Device Using Microwave"

2012

10

• Registered Patent No. 10-1195051, "Apparatus for Preventing Mixture Adhesion"

09

• Selected as Incheon Vision Company

2009

03

• Representative Director Hyun-Koo Lee resigned,Chun-Sil Chung re-inaugurated

2008

12

• Registered Patent No. 10-0872540, "Continuous Mixer"

08

• Participated in the proliferation of production environment innovation technology development project conducted by Korea Productivity Center.

04

• Registered Patent No. 10-0821236, "Continuous Mixer"

01

• Moved head office to 54-1 Bugok-ri, Songsan-myeon, Dangjin-gun, Chungcheongnam-do and established branch in 198-1 Gojan-dong, Namdong-gu, Incheon.

2007

05

• ISO 14001 Certification, "Design, development and manufacture of mixer and dryer"

2006

12

• Acquired INNO-BIZ company certification (No. 6071-3143)

04

• Completed participation of business equipment companies to relieve the job avoidance project conducted by the Small and Medium Business Administration (POSCO Consortium) (05.04 ~ 06.04)

03

• Completed theTechnological Innovation Task (development of high efficiency continuous mixer) as agency organization conducted by the Small and Medium Business Administration (05.04 ~ 06.03)

01

• Registered Patent No. 0543394, "Continuous Paddle Dryer"

2005

11

• ISO 9001 Certification "Production, Sales and Service for Mixers and Dryers"

04

• Completed participation of business equipment companies to relieve the job avoidance project conducted by the Small and Medium Business Administration (Korea Productivity Center Consortium)

2004

10

• Contracted with 5 overseas agents (Japan, China, Philippines, Thailand, Indonesia)

07

• Established Sejitech Powder Technology Research Center (No. 20041832)
• Completion of energy conservation technology development project implemented byKorea Energy Agenccy ("Development of Commercialized Non-Gravity Fluidized Bed Dryer" (03.7 - 04.7 success)

04

• Selected as the company participating in industry-academia-government consortium project by Small and Medium Business Administration (development of continuous drying device model)
• Selected by Small and Medium Business Administration to participate in business equipment companies to relieve the job avoidance project (non-gravity mixer)

02

• Registered Patent No. 0420835, "Dryer"

2003

11

• Acquired Venture Business Certification (No. 061724031-2-00031)

10

• Representative Director Chun Sil Chung resigned,Hyun-koo Lee inaugurated

2002

03

• Selected as a promising small and medium enterprise (KIST)

2001

09

• RegisteredPatent No. 0309041, "Mixing Device for Granular Materials"
• Completed energy conservation technology development project conducted by Korea Energy Agenccy ("Development of Non-GravityFluidized Bed Dryer" 99.9 - 01. 09, success)

2000

04

• Registered Design No. 175286, No. 175287 "Non-gravity Mixer"

03

• Established Sejitech Co., Ltd. Representative Director Chun Sil Chung inaugurated.