Selected as a Small Giants Certificate by the Ministry of Employment and Labor Get a ASME ‘S’, ‘U’, 'PP' Stamp Get a confirmation certificate of a company specializing in Materials, Components, and Equipments Get a confirmation of a Assurance of ESG Management

Acquire a certificate of Direct Production Confirmation from the Small & Medium Business Distribution Center

Received a commendation from the Minister of SMEs and Startups Certified as an excellent company in Labor safety and health

Get a certificate for CE PED (Pressure Vessel) Annex Ⅲ Module D Get a ASME ‘S’, ‘U’ Stamp

Get a certificate for CE PED (Pressure Vessel) Annex Ⅲ Module B (production)

Quality Management System Certificate (ISO 9001) Environment Management System Certificate (ISO 14001) INNO-BIZ confirmation (No. 6061-1643)

Increased capital by 100 million won Construction business registration certificate (Heating construction industry type 1, Mechanical facility construction business) Awarded a citation from the Minister of SMEs and Startups in Gyeonggi provincial - Development of company and regional economy

Main-Biz confirmation (No.160601-02368) Registration of construction business that specializes in (atmosphere) environment Patent (No. 10-1640224) : Conbustion improving apparatus for solid fuel Patent (No. 10-1620960) : Circular grate firing equipment WCF Bio-SRF water tube steam boiler installation (10 ton/h) WCF Bio-SRF heating medium boiler installation (3,000,000 kcal/h) Technology assessment excellent enterprise certificate

Two of the patents application : Horizontal movement type combustion chamber and combustion method of pellet and chip fuel WCF Bio-SRF water tube steam boiler installation (10 ton/h) Extension of INNO-BIZ confirmation period (No. R6061-1643) RDF heating medium boiler Installation (800,000 kcal/h)

WCF Bio-SRF water tube steam boiler installation (10 ton/h) WCF Bio-SRF heating medium boiler installation (3,000,000 kcal/h)

Exemplary entrepreneur citation - The governor of Gyeonggi Province 无锡杰能加热炉有限公司 Techinal Cooperation - China Development of boiler by combustion method of horizontal movement type for pellet and chip fuel Waste textile heating medium boiler installation (4,000,000 kcal/h) WCF Bio-SRF heating medium boiler installation (6,000,000 kcal/h) WCF Bio-SRF heating medium boiler installation (4,000,000 kcal/h)

Expand and move head office (1,520pyeong) - 41, Gongdan1-daero 259beon-gil, Siheung-si,Gyeonggi-do

Patent (No. 10-1035547) : The method heat transferring using industrial wastes theree apparatus Enterprise Institute establishment of Samjung Boiler Ind. Co., Ltd. (No. 2011111467) Patent (No. 10-1056804) : The method for waste heat recovery of dryer and there of apparatus Quality Management System Certificate (ISO 9001:2008) Environment Management System Certificate (ISO 14001:2004) Patent (No. 10-1069187) : The foreign substance removing device of moving path of waste gas about pre-heater of water and air by using waste heat collector

International patent (No. 196511281991031002) - Indonesia

Establishment of boiler manufacturing factory (Ho Chi Minh, Vietnam) Application for patent : The method for waste heat recovery of dryer and there of apparatus Application for patent : The method heat transferring using industrial wastes theree apparatus Development company of production environment innovation technology

Safety quality assurance certificate (Boiler, No. TS2100983-2011, China) Safety quality assurance certificate (Pressure vessel, No. TS2200983-2011, China)

Venture enterprise certificate (No. 061623031-2-00769) International patent (No. 266632) - China INNO-BIZ confirmation (No. 6061-1643) Patent (No. 10-0653197) : Waste heat recovery apparatus

Clean workplace certificate (No. 16396)

Parts specialized enterprise certificate (No. 1317) Venture enterprise certificate (No. 041623031-1-00575) The 10th blue-chip company award

Patent (No. 10-0377971) : The device and method of recollecting wasted heat of preheating device for industrial heat alternation boiler International patent application (China, Vietnam, Indonesia)

Headquarters and factory a new building (a floor space of 450pyeong, a lot of 500pyeong) Relocation of the Headquarters and factory - 3Ba 307Ho, Sihwa gongdan, Jeongwangdong, Siheung-si, Gyeonggi-do Overseas branch office (KOTRA, Vietnam Ho Chi Minh, Indonesia Jakarta) Registration after relocating headquarters and factory (No. 02220450)

Completion of development about high efficiency heating medium boiler built-in air preheater High efficiency heating medium boiler built-in air preheater utility model registration (No. 10-0229540) and patent application Energy winner award(a sector of high efficiency heating medium) Quality authentication system certificate (ISO 9001 : 1994, KSA 9001 : 1998)

Issue of factory registration certificate (No. 125) Start of development about high efficiency heating medium boiler built-in air preheater

Establishment of corporation - 3Ra 709Ho, Sihwa gongdan, Jeongwangdong, Siheung-si, Gyeonggi-do Business registration certificate