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2020`s
- 2022
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· Awarded Minister of SMEs and Startups
· Cooperative firm agreement with LX Hausys Corp.
· WINPRO Co., Ltd. Geumwang plant : Introduction of new extrusion line facility
- 2021
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· Enlargement of PVC compound facilities up to the production level of 20,000 tons per year
· Enlargement of PVC stabilizer facilities up to the production level of 20,000 tons per year
· PLAPRO Co., Ltd. Chungju plant : Extrusion line operation
· Relocation of headquarters and expansion of facilities of Chungju
· PLAPRO Co., Ltd. Jeungpyeong plant : Extrusion line of KCC operation
· WINPRO Co., Ltd. Geumwang plant : Acquisition of 15,206m2
· WINPRO Co., Ltd. : Cooperative firm agreement with Hyundai L&C Corp.
· Establishment of WINPRO Co., Ltd. , PVC compound and extrusion company
· Automation system for PVC stabilizer and compound in operation
- 2020
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· Cooperative firm agreement of PVC stabilizer with KCC
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2010`s
- 2017
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· Acquisition of fair patents (2 cases)
- 2016
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· Enlargement of PVC compound facilities up to the production level of 12,000 tons per year
· Enlargement of PVC stabilizer facilities up to the production level of 12,000 tons per year
· Operation of PVC window profile extrusion production facilities
· Relocation of headquarters and expansion of facilities of Sinchuk Industrial Complex in Jincheon
- 2015
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·
- 2013
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· Establishment of Global Leochem Co., Ltd.
· Enlargement of Bead type facilities in Eumseong factories up to the production level of 10,000 tons per year
· Relocation of factories to Jincheon and enlargement of the facilities up to the production level of 15,000 tons per year
- 2012
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· Introduction of automated facilities for stabilizers and compounds
- 2010
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· Separation of Non-toxic stabilizer production facilities
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2000`s
- 2009
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· Relocation of factories to Eumseong and enlargement of the facilities up to the production level of 5,000 tons per year
- 2006
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· Cooperative firm agreement with Namsun Aluminum Co., Ltd.
· Acquisition of production facilities with the production level of 4,000 tons of Toxic and Non-toxic stabilizers per year
· Introduction of Non-toxic stabilizer production facilities
- 2005
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· Introduction of Pellet type stabilizer production facilities
- 2003
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· Cooperative firm agreement with KCC Corp.
· Incorporation of Leochem to Leochem Co., Ltd.
- 2001
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· Cooperative firm agreement with Hanwha L&C Corp.
- 2000
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· Establishment of Leochem