Delta Duct Systems Ltd Delta Duct Systems Ltd Supaflex flexible duct is manufactured by laminating aluminium foil and either to a tough polyester film or another ply of foil over a spring steel wire helix. Insulated flexible ducts are formed by sandwiching the 24kg/m³ fabric glass between an aluminum foil on a tough polyester film with another layer of film on the helical coil of the spring wire.

Constructive advantage

Ultra tough aluminium layer Overlapping of aluminium foil surrounding Insulated with fibreglass and covered with on outer jacket which eliminated time-consuming on-site For transport and site handling the duct is compressed, thus reducing freight and storage costs

Product Name : Supaflex Model: 13AP Type : Flexible air duct (Bare) Insulated flexible air duct Acoustic insulated flexible air duct Length : Standard 6 meters or by tailor made Diameter : 100, 125, 150, 200, 250 & 300 (mm) Insulation : Factory insulated with fiberglass blanket in 25mm or 50mm thick Fiberglass Density : 24kg (thermal conductivity : 0.033 W/MK) 32kg (thermal conductivity : 0.032 W/MK) Temperature Range : -5 to 90 °C Pressure : 2Kpa max. working pressure Fire Rating : BS476 Part 6, 7 & 12 UL181 Comply : HKFSD requirement UK building regulations class "0" Puncture : Comply with HKFSD Acoustic Test : ADC Test Code FD 72-R1 ASTM E477-06a Leakage Test : Comply to DW/133 and DW/144 Country of origin : Australia, under license manufacturing in PRC

Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Hong Kong Project Contractor 2004 No. 40 Peak Road On Lee Engineering Co Beacon Hill Lee Ton Engineering Co Ltd New Lab Bldg At Shatin Sewage Treatment A E C Works 東區醫院二期 Grand Luck King's Park Dura Duct Int'l Ltd Disneyland Back Of House Chi Luen Engineering Co Ltd Lei Muk Shue Estate Phase 4 Wai Yeung Engineering (HK) Ltd Hollywood Hotel Chi Luen Engineering Co Ltd Proposed Hotel At URA Developmetn K2 Mongkok Lucky Engineering Co Ltd Station 88/F Tin Gin Contracting Co South Regional Police Headquarter & Operation Young's Engineerign Co Ltd HKUST A E C TCC500 Southa Technical Ltd The Hong Kong Disneyland Resort Atal Engineering Ltd KCRC- East Station GEC Services (HK) Ltd 傲雲峰 Chi Luen Engineering Co Ltd A & A Works To MVAC System Alliance Contracting Co Ltd Space Mountain & Buzz Lightyear ( Disney) Krueger Engineering (Asia) Ltd Redevelopment - Phase 16 Atal Engineering Ltd Consequential & Complection Works For HKUST A E C AIG Tower Tridant Engineerign Company Ltd CyberPort Dura Duct Int'l Ltd 中環國際金融中心 Pacific Wing Shing Air Duct Co Braemar Hill HK A E C Citic Tower Dah Chong Hong (Eng) Ltd 新鴻基中心 Mew Fook Kee Air Cond Eng Co Ltd Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2004 Tai Po Complex - 4/F Social Welfare Dept A E C Exchange Square Pacific Wing Shing Air Duct Co Disney Tomorrow Land A & R Engineering Co Ltd Cyberport Residental Development - PH R18 Atal Engineering Ltd Complex San Hing Mech & Elect. Eng Ltd 新達廣場 On Lee Engineering Co 油麻地圖書館 Wai Yeung Engineering (HK) Ltd Disneyland - PT1/GLA Atal Engineering Ltd 118 Gloucester Road Wanchai Keio Engineering Co Ltd Cyberport Pacific Wing Shing Air Duct Co Four Seasons Hotel Central Shinryo (HK) Ltd Disney Hotel Dura Duct Int'l Ltd Disney Hotel Chi Luen Engineering Co Ltd Disneyland Main Street Shun Hing - Sanki JV Ltd 稅務大樓 ( 34/F ASD Job) Grand Luck 金鐘政合署 18/F Grand Luck Margaret Prince Hosptial Delta Pyramax Co. Ltd 上環海港政府合署 Grand Luck 金鐘政合署 28/F Grand Luck 上環信德中心入境事務處 Grand Luck Hong Kong Station Shop 3091A (Escada) Atal Engineering Ltd Tsuen Wan Police Headquarter Pacific Wing Shing Air Duct Co Exchange Square - 3 Story Atal Engineering Ltd Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX“ 13AP FLEXIBLE DUCT

Project Contractor 2005 AXA Centre Willing Immigration Service Training School A E C Landmark Atal Engineering Ltd PF Dura Duct Int'l Ltd Xiamen Sofitel Hotel Oceanstek 紅磡灣酒店 Union Manor Lai Chi Kok Reception Center Fore Go Internation Exhibition Centre Shing Hing Eng Co Ltd Education Resource Centre , Tong Tak Lee York Road Dura Duct Int'l Ltd 美麗華 Delta Pyramax Co Ltd Disneyland Arts Boundary Engineering Co Internation Exhibition Centre Patwin Eng Co Ltd Internation Exhibition Centre Dura Duct Int'l Ltd Disneyland - Story Book Theatre Krueger Engineering (Asia ) Ltd 太古匯 Dura Duct Int'l Ltd Alexandar House Jardine Technical Services Inter Continental Hong Kong Krueger Engineering (Asia ) Ltd Hotel Panorama At 6B- 6E Cheung Hung Hoi Fai Road Sun Yu Chau Lcc 300 Lok Ma Chau Cheung Hung Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2006 Tuen Mun Hospital Polyfund Engineering Ltd 黃埔花園 Hang Wo Air Conditionint Trading Eng. Ltd Hong Kong Polytechnic University Alliance Conrtracting Co., Ltd Tsuen Wan Police Headquater Pacific Wing Shing Air Duct Co., Ltd Landmark Cheong Fat Engineering Company Science Park Hoi Ko Engineering (HK) Co., Ltd 機場天空之城 Dura Duct Int'l Ltd ICAC Headquater, North Point Associated HVAC Contracting Company Ltd 2007 100 Queen's Road, Central Krueger Engineering (Asia) Ltd 灣仔稅務大樓 Yau Shing Engineering Co Ltd Mega Box, Kowloon Bay Polyfund Engineering Ltd E & M Ltd Balfour Beatty E & M Ltd 灣仔會展 Chi Luen Engineering Co. Ltd Mega Tower Takasago Thermal Engineering (HK) Ltd

2008 河內道 Chi Luen Engineering Co. Ltd Alexandra House 15/F The Jardine Engineering Corp. Ltd 機場 Marriot Patwin Eng Co Ltd Wanchai East Asia Bank Bldg Pacific Wing Shing (Phase 2)Retail Ctr Atal Engineering Ltd KCTL 215 Takasago Teaching Hotel at HKCU Wing Fung South China Hotel Easy Smart 南灣道 偉強工程 Harbourfront Landmark Hang Wo IFC II Pacific Wing Shing Noah's Ark Sun Yu Chau TKO Stadium Southa Hsin Chong Centre 高雄工程 香港仔市政大樓 Yau Shing Baptist Hospital Phase 5 AEC How Ming St. Polyfund Macqualie Bank Hung Lee Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2009 日出康城 Krueger Lam Tin Estate 7 & 8 Getwick Kowloon Station Hung Lee Dorset HSE 11/F, 17/F Pacific Wing Shing 63 Nathan Road Hoi Ko 香港仔巿政大樓 Yau Shing 灣仔會展 Young's Kil 11124 Sheung Shing Street Krueger 上環警署 Pacific Wing Shing 太古坊 Lincoln house Pacific Wing Shing Landmark 233 Pacific Wing Shing San Po Kong Polyfund 銅鑼灣世貿地盤 Pacific Wing Shing Atrium Hotel Pacific Wing Shing Prine Edward Road East Polyfund IFC Phase1 Pacific Wing Shing Lincoln HSE 6/F Pacific Wing Shing Hong Kong Baptist Hospital, Phase 5 & 6 AEC 15-17 Oil Street Section A of Lot 7106 Krueger Prince of Wales Hospital Hsin Chong Aster Panorama Hotel Atal Engineering Ltd Indoor Recreation Centre Library, TC Getwick 102 How Ming Street Ngai Hung Skypier Wing Fung Customs HQ Southa 東港城商場 1/F Pacific Wing Shing Mega Tower Takasago Pacific Place Pacific Wing Shing IFC Phase2 Pacific Wing Shing 22 & 23/F Alexandra House JEC The One Patwin Eng. Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2010 Tamar Project BSY JV Deutsche Bank at ICC Shinryo No.223 Wai Yip St. at 25/F Arnlee Jervois Street Vital HSBC Keio 863-865 King’s Road Takasago MTR 714 Dynamic Power Man Yee Building Pacific Wing Shing Ocean Park C107 Southa HSBC L18 Shinryo Residential at Kwu Tung Mew Fook Kee HSBC Chun Fai HK Academy for Performing Arts Gary Eng. 神慈秀明會 Pacific Wing Shing Siu Sai Wan Complex Wing Fung 3/F 沙田馬會 Glory E&M Sun Yat Sen Memorial Park & Swimming Getwick Pool Complex 50-59 Connaught Road Centre Keio Science Park Block 20 Hsin Chong 弘立書院 Wai Yeung Tin Shui Wai Library On Harvest Mongkok Railway Station Ka Chun City U Chevalier CAD HQ Hsin Chong Alexandra House 16/F, 22/F, 23/F JEC World Trade Centre Pacific Wing Shing Chun Fai Western District Swimming Pool Polyfund ICC Buddy TKO Complex Area 44 Krueger Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2011 Wong Tai Sin Unicen ICC 87/F – 99/F Atal TKO Hospital Young’s HKU Li Shu Fan Getwick Sun Yat Sen Memorial Park Getwick HKU Centennial Campus Gammon Discovery Bay Hotel Young’s Daiwa Capital Markets at Pacific Place Atal Royal Pacific Hotel Unicen SCTL307 Ma On Shan Gotop No. 500 Hennessy Road Gammon No.3 Connaught Road C Hsin Chong North Lantau Island Hospital Southa Tin Shui Wai Sports Center Carrier

2012 HKUST On Lee Integrated Teaching Bldg. at CUHK Atal The Mira On Harvest HKJC Happy Valley Krueger No.21 Tai Tam Road Unicen HKJC Shatin On Harvest Tai Yuen Street Hostel Arnlee Welfare Road Aberdeen Krueger Shek Kip Mei Mei Ho House Lux Victoria Park Swimming Pool Carrier - Polyfund & Grandfit TKO Wonder 8 NTT Shinro – Hung Lee Macpherson Shinryo- - Leung Lee Hong Kong Sports Institute Krueger No.28 Hennessy Road Young’s - Buddy Sludge Treatment Facilities at Nim Wan, AEC Tai Yuen ST. Hotel Krueger Canossa Hospital AEC Grand Century Place Mew Fook Kee Poly U at Fat Kwong St Sam Wo TKO MTR Yue Hing Engineering Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2013 Kai Tak Cruise Terminal On Harvest Caritas Medical Centre Cornwall Consulting Building at Luk Hop Street Hung Wah New International Mail Centre Krueger Hang Seng School of Commerce Young’s – Hoi Ko UCB Building at Des Voeux Road Central Ngai Hung HKSTP Phase 3 Hsin Chong – Wingo Charter House Manifest HSBC Central Chun Yik Tiu Keng Leng Stadium Polyfund

2014 No.3 Connaught Road Central Polyfund KITEC 12/F Yau Shing Tai Tao Yuen Long Jet E & M Mei Foo West Rail Line Airbond Cheung Sha Luckway HKJC SCTC Atal FDW Financial Centre, Central Gotop German Swiss Int’l School AEC No.100 Kwai Cheong Road Ngai Hung NKIL 6269 Hoi Bun Road Takasago Canosa Hospital AEC New Century Plaza Mew Fook Kee Seymour Road Residential Wing Kee Disneyland Luen Fat North Point AIA Tower Gotop Police Station Mew Fook Kee Area 55A Tung Chung Mew Fook Kee Hung Luen Road Young’s Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2015 Commercial at Cannon St. & Jaffe Rd. Keio West Kln. Law Court Southa Adventist Hospital Yuen Fung No.60 Gloucester Rd. Ching Hing Yuen Long Sha Po Rotex Cape Colinson Crematorium AEC AIA Tower at North Point A & R China Chem Phase 1 Arnlee Ap Lei Chau Pier RNB ICC office Yat Yat Shing St. Paul Hospital China View

2016 Shatin Sports Centre Getwick Ap Lei Chau MTR Station Hung Lee CPCS Phase 2 Mew Fook Kee HUH & HHS Shinryo Commercial Bldg. at King Wah St. Polyfund Diamond Hill MTR Station Chak Shing HK Science Park 3C Atal QE Hospital Lico QM Hospital AEC Central Police Station Polyfund Gleneagles Hospital A & R MTRC 1164 Chak Shing Shatin Jockey Club On Harvest China life Centre at Hung Luen Rd. Sam Wo Seymour Road Wing Kee One Chinachem Central Arnlee No. 18 King Wah Road Polyfund One Harbourfront Honour Gain MTR - Ap Lei Chau Fugo HKJC – Happy Valley Racecourse Hing Wah Belfran Road Honour Gain M Moser Office Shun Ling HKCH Luen Ming Fanling Centre Practical TW5 Union (Luen Hop) Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2017 Office Complex NKIL6312 at Kln. Bay Gammon VTC - THEi Krueger Chinachem Tower Lap Fong No. 55 -57 Bisney Road Shun Hing E&M Harmony Shinryo Cyber Port Lux Engineering Kau To Shan Mew Fook Kee TM 508 A & R at North Point A & R Grand Hyatt HK A & R TKO 66A Honour Gain HKJC – STRC Laford TKO 93 Lap Fong Eaton Hotel Air Technology Heng Sang Bank - Central General No. 148 A & R TW5 2 Alliance City Gate at Tung Chung Union Manor

2018 Sunshine City A & R No.15 Middle Road Man Hing No.1 Hennessy Road Yuk Kee MTRC 1177 Vanda (E & M) West Kln. Government Complex Sam Wo No. 123 Hoi Bun Road Takasago TMGC-M Southa St. Paul’s Hospital Peterson Lincoln House ATAL No.7 Victory Road Arnlee Taikoo 2A Takasago CKC-Goldman Sachs Office On Harvest Heng Sang Bank – Central Fugo Gateway Tower 5 Chun Yik Gold Coast Yung Kee Ka Wo Li Hill, Tuen Mun Yung Kee Wah Ying Cheong Arnlee Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2019 M+ Lee Tack, Elegant Kai Tak East Kln. Police Station Yuen Fung HKSTP ATAL New Shun Hing Ctr. Mew Fook Kee Pak Shek Kok Wingo Eng. CUHK Medical Ctr. Yuen Fung Tsat Tsz Mui Rd ATAL Wah Ying Cheong Arnlee HKIA Press Room Avanti TMTL 434 Yung Kee Pak Shek Kok Wingo & Avanti CU Hospital Yuen Fung, Lik Ko, Keung Fat, Union Manor Cheung Kong Centre On Harvest HKJC (Happy Valley) Wing Shing Tai Wai Station STTL 520 Shun Tung HSBC Headquarter Bldg Wardson HKBU Library Southa Citygate Union Manor Mount Beacon Phase 2 Shun Shing, Wai Tat Yau Mei Tei East Project Blessing Rise French Mission Bldg A&R Island Place ATAL P583 HKIA T1A Leighton Lohas Sing Ngai Luen Heng Sang Bank at Central Heng Sang, Yue Hing iSquare Emperor Cinema Yung Kee Sai Kung Hotel Linchpin Lai Chi Shan Tai Po Union Manor Central Plaza Chak Shing HSBC Bldg. at Tai Kok Tsui Kwan Fai Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2020 NKIL 6565 Kwong Tat / Ming Kee Beacon Hill Wai Tat 31/F Peninsula Tower Glory (E & M) Choi Fook Sport Centre Wing Kee MTR Contract No.1164B Gammon HKUST South Gate Arnlee 1173 沙中線 Hung Lee Kai Tak 臨時醫院 Union Manor / Keung Fat / Elegant Lohas Park Phase 7 Concord Air MTR Contract No.1164B Gammon Ocean Park Union Manor Choi Fook Sport Centre Wing Kee Heng Sang Bank Central Heng Sang 上環 Luckway Stanley Outdoor Activities Honour Gain Cheung Kong Centre On Harvest Police Officer’s Club On Harvest CRC On Harvest Jaffe Road Sharp Fung Lai Chi Hill Union Manor EMSD 2400 Kowloon Bay Byme Chinese U Union Manor Cheung Sha Wan Treasury Building Wingo / Union Manor Skycity Young’s / Sam Wo Chun Yip / New Ko / Modern Age Mount Beacon Shun Shing / Wai Hk Temple Remodel Chung Kee HSBC Tai Kok Tsui Leung Lee NKIL 6556 Takasago No.320 Lockhart Rd Leung Lee Lohas Park Phase 9 Technicon / Star Light Tai Wai Shun Tung HKIA 臨時醫院 Union Manor / Keung Fat / Elegant Sin Fat Road Star Light Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Project Contractor 2021 Four Seasons Hotel Honour Gain Nan Fung Centre Sam Wo Chun Yip NKIL 6562 Kwong Tat Kai Tak Inland Sam Wo Chun Yip WCH MTR Station Properties Kwong Tat Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Macau

Project Contractor 2004

Las Vegas Sands Macau Ryoden (China) Ltd Macau 2005 Stadium San Wa Air - Cond Co Ltd Macau Dome San Wa Air - Cond Co Ltd

2005

San Wa Air Cond Co Ltd 澳門射擊場

2006

Podium & Parcel 1, Venetian Shinryo (HK) Ltd MGM, Macau Hobb's Grand Lisboa, Macau Chevalier (Macau)

2007 Parcel 1, Event Centre, Venetian Meco Parcel 1, Congress, Venetian G-Tech Parcel 1, Hotel, Venetian BBY Ponte 16, Macau A Shing Crown Hotel, Macau Tung Tat Wynn Resort, Macau Chevalier (Macau) Parcel 2, Venetian Byme Parel 1, Theatre, Venetian Meco

2008 City of Dream Podium, Macau Cotai Chevalier (Macau) Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Macau Project Contractor 2009-2013 Parcel 5-6, Hotel, Venetian Shinryo (HK) Ltd. 澳門威尼斯人度假村酒店 MTT 澳門金沙酒店 MTT 澳門金沙城中心 MTT 澳門永利酒店 MTT 澳門銀河酒店 MTT 澳門星際酒店 MTT 澳門十六浦索菲特酒店 MTT 澳門新葡京酒店 MTT 澳門美高梅酒店 MTT 澳門新濠天地 MTT 澳門山頂醫院 MTT 澳門山頂醫院擴建工程 MTT 澳門東亞運動會體育館 MTT Delta Duct Systems Ltd

JOB REFERENCE OF "SUPAFLEX" 13AP FLEXIBLE DUCT

Macau

Project Contractor 2013-2016 (Continue)

澳門科學館 MTT 澳門壹號湖畔 MTT 澳門出入境大樓 MTT 澳門政府總部 MTT 澳門外港客運碼頭 MTT

澳門新八佰伴 MTT

澳門天鑽 MTT

澳門路環石排灣公共房屋-CN4地段 MTT

澳門 新濠影匯 MTT

澳門路環崗頂傳染病康復中心 MTT