- Sungil Co.,Ltd.
- Grp,Fiberglass,Frp,Smc,Door,GRP Door,GRP Water Tank,Toilet Partition,bathroom.
- Address:1092-2 Twerae-ri, Hanrim-myeon
- Unitra Inc.
- GRP enclosure.
- Address:1002 Haesung Beach Town
- S.J.Wintech Co., Ltd.
- Haemalkeun,Haemalgeun Mungpum 3rd,Haemalgeun Daejanggak,H.P Feed Water Heater,H.I.D. Head Lamp,Grinder,GRP rigid dinghy,SJ9635,Guitars Amp,Guide Roller (JIR-GS075D1),GUIDE LINE ,GS homeshopping.
- Address:Baebang-myeon ,Asan-si
- Gilgwang Greentech Co., Ltd.
- FRP Fan,FRP Products,Scrubber,Pump,GRP Pipe(15A~3000A).
- Address:6F Hanlim-Citybill,Wolmun-ri ,Paltan-myeon ,Hwaseong-si
- Young Poong Precision Corporation
- Ball Valve,Metal Seated Ball Valve,Chemical Process Pump,ANSI Pump,GRP GOODS,GRP,Young Poong Composite Sheet,Pump.
- Address:337, Hwasan-Ri, Onsan-Eup, Uljoo-Kun
- Jd Corporation Ltd.
- Special VIB Dinghy,GRP Rigid Dinghy,Inflatable Dinghy,Aluminum Dinghy,Slatted Dinghy.
- Address:395-73,Sindaebang-dong ,Dongjak-gu
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