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(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. Precision gear reduction specialist company Creating the future Reducer precision gear specialist Dialogue Reducer Business Areas The business areas of Dialogue Reducer are as follows. Product REDUCER GEARED MOTOR Main product delivery performance Processed Technology Technology Status Production site Registration & Certificate COMPANY greetings Directions About Us announcement Online Inquiry Directions

(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. A/S inquiry Please fill out the information below and submit your inquiry. We will respond as soon as possible. Company name phone number manager email File Upload File Upload request Consent to collection and use of personal information View Terms of Use Your application has been successfully received. submit

(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. Quotation and Product Inquiry Please fill out the information below and submit your inquiry. We will respond as soon as possible. Company Name phone number manager email File Upload File Upload request Consent to collection and use of personal information View Terms of Use Your application has been successfully received. submit

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(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. GEARED MOTOR This is an introduction to our company's production items. HORZONTAL GEARED MOTOR VERTICAL GEARED MOTOR HORZONTAL LINE POWER HEAVY DUTY HORZONTAL GEARED MOTOR HEAVY DUTY HORZONTAL LINE POWER VERTICAL GEARED MOTOR D-V1 type (mm) (mm) D-VT type (mm) Among the above dimensions, the length and weight of the MOTOR are based on 4 POLE. (may vary depending on MOTOR MAKER and POLE) When ordering the above product, please specify the machine name, time, presence or absence of a gap, and input/output mounting status so that we can select and manufacture the correct frame. When selecting a reduction ratio, if you decide on our standard reduction ratio, you can receive faster production and after service. Standard reduction ratios: 1/6, 1/8, 1/9, 1/10, 1/12, 1/15, 1/16, 1/18, 1/20, 1/24, 1/25, 1/30, 1/35, 1/40 1/45, 1/50, 1/55, 1/60 The manufacturing tolerance of the single reduction ratio is within 3%. production Product Items

(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. History The footsteps of our headquarters 1999. 10.16 Establishment of DAE HWA REDUCTION GEAR CO,.LTD 2000. 02. 02 INI STEEL Partner Registration 2000. 03. 07 Factory registration (GEAR and power transmission device manufacturing) Building area 924㎡ 14 Nov 2000 Chairman Registration (40-2000-0002795) VERTICAL TYPE GEARED MOTOR 2001. 01. 16 Trademark registration (40-2000-0003705) mark 2001. 02. 13 Design registration (30-2000-0002799) HEAVY DUTY TYPE GEARED MOTOR 2001. 03. 02 Trademark registration (40-2000-0007462) 2001. 04. 12 ROTEM Partner Registration 2001. 10. 08 KSA9001:2001 / ISO 9001:2000 Certification (K-1527) 2002. 03. 07 Factory registration (building: 275 pyeong): GEAR and power transmission device manufacturing 2002. 07. 31 WIA Partner Registration 2004. 05. 26 Venture Business Registration (Small and Medium Business Administration) 2005. 06. 02 ISO 14001:2004 certification (JEK-2153) 2005. 10. 01 POSCO Partner Registration (Strategic Purchase) 2006. 05. 24 Selected as a Technology Innovation Small and Medium Business (INNO-BIZ) (Small and Medium Business Administration) 2006. 09. 14 Selection of small and medium-sized enterprises for management innovation (Incheon Regional Small and Medium Business Administration) 2006. 09. 22 Factory relocation (land: 1743㎡, building: 1512.48㎡) 10/19/2006 The above factory registration December 28, 2006 Designation as an excellent FAMILY company (Small and Medium Business Bank) 2011.08.17 Germany HOEFLER) CNC GEAR GRINDING MACHINE (RAPID-2000) Machine Expansion 2011.11.14 Visionary Company Selection (Incheon Metropolitan City) 2016.06.08 Integrated maintenance qualification certification for 5 companies including Korea South-East, South, East-West, West, and Central Power Generation Co., Ltd. 2019.06.27 Certification as an excellent company in technology evaluation - NICE Credit Rating 2020.12.01 Family-friendly business certification (Ministry of Gender Equality and Family) COMPANY About Us

(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. REDUCER This is an introduction to our company's production items. REDUCER1 REDUCER2 Product Features (ROLLING MILL REDUCER) Introduction of advanced technologies such as AGMA 2001-B88 and Design & Drawing using ACAD r12 ~ r14 Precision tooth grinding (JIS 1 Grade, Tip Relife, Pinion Crowning) of internal parts (Pinion & Gear) After tooth grinding, precise inspection of Involute Profile, Lead, Pitch, Runout, etc. is performed on the Gear Testing M/C to maintain accurate Gear Contact. Cooling Oil is supplied separately to provide proper lubrication and temperature rise control to gears and bearings. Attaching an inspection window makes it easy to check the internal condition when opening the case. Shaft Cr-Plating and Double Seal Use to Prevent Oil Leakage and Install Grease Inlet reference Model Name : DTP-98001 Points to consider when purchasing : Select by considering transmission power, input/output rotation speed, reduction ratio, daily operating hours, type of driven machine, etc. Purchase inquiries : Sales Manager (Tel:+82-32-812-8401~7 Fax: +82-32-812-8409) Product Specifications 700kW ×350~700rpm × 1/3.793, 1/2.742 (Twin Drive) Steel lubrication method for bearing and gear parts Control internal temperature by attaching a cooling unit and temperature controller Parts Material: Gear-SCM415, Pinion-SCM415, Shaft-SCM440 Heat Treatment: Carburizing(Hrc-60) Product Features (ENTRY & EXIT LOOPER CAR DRIVE REDUCER) Introduction of advanced technologies such as AGMA 2001-B88 and Design & Drawing using ACAD r12 ~ r14 Precision tooth grinding (JIS 1 Grade, Tip Relife, Pinion Crowing) of internal parts (Pinion & Gear) After tooth grinding, precise inspection of Involute Profile, Lead, Pitch, Runout, etc. is performed on the Gear Testing M/C to maintain accurate Gear Contact. Cooling Oil is supplied separately to provide proper lubrication and temperature rise control to gears and bearings. Easy to check internal condition without opening the case by attaching an inspection window Use of sHAFT Cr-Plating and Double Seal to prevent oil leakage and installation of Grease Inlet reference Model Name : DTP-98002 Points to consider when purchasing : Select by considering transmission power, input/output rotation speed, reduction ratio, daily operating hours, type of driven machine, etc. Purchase inquiries : Sales Manager (Tel:+82-32-812-8401~7 Fax: +82-32-812-8409) Product Specifications 110kW ×1150rpm ×1/108.1 Steel lubrication method for bearing and gear parts Internal temperature control with cooling unit and temperature sensor attachment Parts Material: Gear-SCM415, Pinion-SCM415, Shaft-SCM440 Heat Treatment: Carburizing(Hrc-60 Product Features (CHARGING TEEMING CRANE HOIST REDUCER) Introduction of advanced technologies such as AGMA 2001-B88 and Design & Drawing using ACAD r12 ~ r14 Precision tooth grinding (JIS 1 Grade, Tip Relife, Pinion Crowing) of internal parts (Pinion & Gear) After tooth grinding, precise inspection of Involute profile, Lead, Pitch, Runout, etc. is performed on the Gear Testing M/C to maintain accurate Gear Contact. Cooling Oil is supplied separately to provide proper lubrication and temperature rise control to gears and bearings. Easy to check internal condition without opening the case by attaching an inspection window Shaft Cr-Plating and Double Seal Use to Prevent Oil Leakage and Install Grease Inlet reference Model Name : DTP-98003 Points to consider when purchasing : Select by considering transmission power, input/output rotation speed, reduction ratio, daily operating hours, type of driven machine, etc. Purchase inquiries : Sales Manager (Tel:+82-32-812-8401~7 Fax: +82-32-812-8409) Product Specifications 2 ×200kW ×10p ×1/44.3(Twin Drive) Steel lubrication method for bearing and gear parts Internal temperature control with cooling unit and temperature sensor attachment Parts Material: Gear-SCM415, pinion-SCM415, Shaft-S45C Heat Treatment: Carburizing(Hrc-60) production Product Items

(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. REDUCER This is an introduction to our company's production items. REDUCER1 REDUCER2 Product Features (ROLLING MILL REDUCER) Introduction of advanced technologies such as AGMA 2001-B88 and Design & Drawing using ACAD r12 ~ r14 Precision tooth grinding (JIS 1 Grade, Tip Relife, Pinion Crowning) of internal parts (Pinion & Gear) After tooth grinding, precise inspection of Involute Profile, Lead, Pitch, Runout, etc. is performed on the Gear Testing M/C to maintain accurate Gear Contact. Cooling Oil is supplied separately to provide proper lubrication and temperature rise control to gears and bearings. Easy to check internal condition when opening the case by attaching an inspection window Shaft Cr-Plating and Double Seal Use to Prevent Oil Leakage and Install Grease Inlet reference Model Name : DTP-98001 Points to consider when purchasing : Select by considering transmission power, input/output rotation speed, reduction ratio, daily operating hours, type of driven machine, etc. Purchase inquiries : Sales Manager (Tel:+82-32-812-8401~7 Fax: +82-32-812-8409) Product Specifications 700kW ×350~700rpm × 1/3.793, 1/2.742 (Twin Drive) Steel lubrication method for bearing and gear parts Control internal temperature by attaching a cooling unit and temperature controller Parts Material: Gear-SCM415, Pinion-SCM415, Shaft-SCM440 Heat Treatment: Carburizing(Hrc-60) Product Features (ENTRY & EXIT LOOPER CAR DRIVE REDUCER) Introduction of advanced technologies such as AGMA 2001-B88 and Design & Drawing using ACAD r12 ~ r14 Precision tooth grinding (JIS 1 Grade, Tip Relife, Pinion Crowing) of internal parts (Pinion & Gear) After tooth grinding, precise inspection of Involute Profile, Lead, Pitch, Runout, etc. is performed on the Gear Testing M/C to maintain accurate Gear Contact. Cooling Oil is supplied separately to provide proper lubrication and temperature rise control to gears and bearings. Easy to check internal condition without opening the case by attaching an inspection window Use of sHAFT Cr-Plating and Double Seal to prevent oil leakage and installation of Grease Inlet reference Model Name : DTP-98002 Points to consider when purchasing : Select by considering transmission power, input/output rotation speed, reduction ratio, daily operating hours, type of driven machine, etc. Purchase inquiries : Sales Manager (Tel:+82-32-812-8401~7 Fax: +82-32-812-8409) Product Specifications 110kW ×1150rpm ×1/108.1 Steel lubrication method for bearing and gear parts Internal temperature control with cooling unit and temperature sensor attachment Parts Material: Gear-SCM415, Pinion-SCM415, Shaft-SCM440 Heat Treatment: Carburizing(Hrc-60 Product Features (CHARGING TEEMING CRANE HOIST REDUCER) Introduction of advanced technologies such as AGMA 2001-B88 and Design & Drawing using ACAD r12 ~ r14 Precision tooth grinding (JIS 1 Grade, Tip Relife, Pinion Crowing) of internal parts (Pinion & Gear) After tooth grinding, precise inspection of Involute profile, Lead, Pitch, Runout, etc. is performed on the Gear Testing M/C to maintain accurate Gear Contact. Cooling Oil is supplied separately to provide proper lubrication and temperature rise control to gears and bearings. Easy to check internal condition without opening the case by attaching an inspection window Shaft Cr-Plating and Double Seal Use to Prevent Oil Leakage and Install Grease Inlet reference Model Name : DTP-98003 Points to consider when purchasing : Select by considering transmission power, input/output rotation speed, reduction ratio, daily operating hours, type of driven machine, etc. Purchase inquiries : Sales Manager (Tel:+82-32-812-8401~7 Fax: +82-32-812-8409) Product Specifications 2 ×200kW ×10p ×1/44.3(Twin Drive) Steel lubrication method for bearing and gear parts Internal temperature control with cooling unit and temperature sensor attachment Parts Material: Gear-SCM415, pinion-SCM415, Shaft-S45C Heat Treatment: Carburizing(Hrc-60) production Product Items

(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. Technology held This is an introduction to our headquarters' proprietary technologies. Qualification Status Mechanical Engineer Computer Application Processing Technician Shelf Operator Grinding Technician Computer-aided design and mechanical engineering Mechanical drawing engineer Short lead time For standard models, we manufacture all parts and keep them in stock so that we can supply them quickly when customers request them. standardization Based on extensive knowledge, advanced technology, and rich track record and experience, we have standardized each component to achieve high economic efficiency and a semi-permanent lifespan. Small and lightweight By introducing the world's leading precision machinery and applying the latest design data (AGMA 2001-B88 and DIN 3990), we have achieved a new era of compactness, light weight, and high load transmission through special heat treatment and tooth grinding. High precision, high efficiency In order to produce highly reliable gear products, we have been conducting research and development for many years to produce high-precision, high-efficiency gear products through precision machine processing and perfect processes and inspections. Processing range: AGMA 11 ~ 15, MOUULE 2 ~ 25, OUTDIAMETER 300 ~ 2,000mm Rich variety of aircraft The variety of reduction ratios and the number of reduction stages provide a wide range of choices for consumers. Cutting edge technology ㆍSpecial Ship Transmission Gear ㆍTurbo booster (RPM 50,000) ㆍHigh Speed Gear Box for Ships ㆍJis 0th grade Master Gear Production site This is an introduction to our headquarters' production site. Advanced technology In the reality that companies without their own technology are bound to be eliminated, our company has its own advanced technology through continuous new technology development, introduction of the latest design data (AGMA 2001-B88 and DIN 3990), and bold investment in research and development. Based on the accumulated advanced technology, we are responding to the needs of various buyers. Not satisfied with the present, we are conducting our own research and development in order to acquire more advanced and advanced technology, and we are regularly inviting overseas experts to receive systematic technical guidance. We are also actively attending various technology seminars and are doing our best today to possess the best technology. Precision machining and thorough inspection In order to produce the best products, all workers must be aware of the written work procedures and instructions for precise machining and thorough inspection, and all quality-related inspections are performed regularly, regardless of whether they are before or after work, in an effort to eliminate 100% of nonconforming products. In addition, we maintain the operating conditions of our production facilities in the best condition and perform periodic calibrations of our inspection equipment, so that we are always fully prepared to produce the best products. State-of-the-art equipment In order to produce the best products, we are boldly investing in facilities to upgrade various gear processing equipment and inspection equipment to the most advanced level, and are creating high added value by producing large reducers and ultra-precision gears that previously depended solely on imports. Processing capacity Tooth cut: M30 ×Ø3,150 (MODULE GEAR HOBBING M/C) Grinding: M25 ×Ø2,000 (HOFLER GEAR GRINDING M/C DIN 4th grade) Test: M34 ×Ø2,500 (KLINGELNBERG GEAR TESTING M/C) Perfect quality assurance All products manufactured by our company are manufactured under a comprehensive and systematic quality assurance plan that fully satisfies the international standard ISO9001 requirements and customer requirements to ensure perfect quality. Rather than simply manufacturing and delivering, we prioritize perfect quality assurance under our company name. When customers provide feedback or find problems regarding our products, we promise that all executives and employees will seek solutions and make improvements to create even more perfect products. Current status of mechanical equipment This is an introduction to the mechanical equipment owned by our headquarters. Technology held Technology held

(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. Technology held Technology held

(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. Online Inquiry Please fill out the information below and submit your inquiry. We will respond as soon as possible.

(주)대화감속기는 자동화시설등의 감속기를 제작하는 회사로써 매년 꾸준한 매출신장과 함께 벤쳐기업으로 선정되었으며, 포스코외 대기업의 협력업체로 등록되어 있습니다. 당사는 감속기 및 정밀기어를 전문적으로 생산하는 중소기업으로 설립이래로 성장을 거듭하여 동종업계에서 기술력 및 생산력의 우위를 점하고 있습니다. Main product delivery performance This is an introduction to the delivery performance of major products. COMPANY About Us CUSTOMER : Seoul Engineering ITEM: USA SVAI PROJECT-DOWN COILER CAPACITY : 1000KW*1/9 CUSTOMER : Hyundai Steel ITEM: Incheon Factory 160/60TON CRANE (Yuseong) CAPACITY : 132KW*1/182 CUSTOMER : Daehan Transportation ITEM : PLANETARY REDUCER CAPACITY: 37kW*6P*1/126.5 CUSTOMER : ROTEM ITEM: Hyundai Steel Lime Calcination Equipment DRIVING UNIT ASS'Y CUSTOMER : POSCO 6th Course CDQ MAIN Reducer ITEM : 120kW REDUCER CUSTOMER : LG ITEM : 84" S/B 2-STEP MAIN REDUCER CAPACITY: 300kW*1650rpm*1/20.82 , 1/8.46 CUSTOMER : Migang Steel ITEM :LEVELLER CAPACITY :110kW*4P*1/1 CUSTOMER : INI STEEL ITEM : MILL REDUCER CAPACITY: 1000kW*900rpm*1/2.343 CUSTOMER: Daehwasan Machinery Co., Ltd. ITEM : UNCOILER REDUCER CAPACITY: 15kW*500-2000rpm*1/12.49 CUSTOMER : POSCO I TEM : CHARGING TEEMING CRANE REDUER CAPACITY :2*150kW*750rpm*1/87 CUSTOMER : Hyundai Steel ITEM : Party) Rebar Rolling BAR MILL 14H PINION STANE CAPACITY :1000KW*6P*1/1 CUSTOMER : Hyundai Steel ITEM :4V REDUCER CAPACITY :850KW*1/21.4 CUSTOMER : Hyundai Steel ITEM : PLANETARY REDUCER CUSTOMER : ROTEM ITEM: Hyundai Steel Lime Calcination Equipment WINCH ASS'Y CUSTOMER : KAWASAKI ITEM : TENSION REEL CAPACITY: 55kw*500/2000rpm*1/39 CUSTOMER : INI STEEL ITEM : 4V REDUCER CAPACITY: 800kW*700-1400rpm*1/13.8 CUSTOMER :Daehan Transportation ITEM : PLANETARY REDUCER CAPACITY :37kW*6P*1/126.5 CUSTOMER : INI STEEL ITEM : MILL REDUCER CAPACITY: 1000kW*900rpm*1/2.343 CUSTOMER : INI STEEL ITEM : ROLLING MILL REDUCER CAPACITY: 700kW*350rpm*TWIN DRIVE CUSTOMER : Hyundai Steel ITEM: Incheon Factory 160/60TON CRANE (Yuseong) CAPACITY : 132KW*1/182 CUSTOMER : Hyundai Steel ITEM: Party) Rebar Rolling BAR MILL 15H PINION STANE CAPACITY : 650KW*6P*1/1 CUSTOMER : Daehwasanki ITEM : RECOILER REDUCER CUSTOMER : Samsung Engineering ITEM: Hyundai Steel Sintering Facility 220kW Reducer CUSTOMER : KAWASAKI ITEM : PAY OFF REEL CAPACITY: 15kW*500/2000rpm*1/39 CUSTOMER : Migang Steel ITEM :LEVELLER CAPACITY :110kW*4P*1/1 CUSTOMER : INI STEEL ITEM : MILL REDUCER CAPACITY: 1000kW*900rpm*1/2.343 CUSTOMER: Daehwasan Machinery Co., Ltd. ITEM : RECOILER REDUCER CAPACITY:110kW*500-000rpm*1/28.96,1/12,44 CUSTOMER : POSCO ITEM: ENTRY & EXIT LOOPER CAR REDUCER CAPACITY: 110kW*1150rpm*1/108.1