How to Make Windows Safe? A Hong Kong Family's Guide to Child Fall-Prevention Window Protection
Window SafetyJune 29, 2026·7 min read

How to Make Windows Safe? A Hong Kong Family's Guide to Child Fall-Prevention Window Protection

Worried about children falling from high-rise windows? This guide compares window safety hazards, opening restrictors / grilles / locks and key selection points — balancing fall prevention with fire escape.

How to Make Windows Safe? A Hong Kong Family's Guide to Child Fall-Prevention Window Protection

Hong Kong is full of high-rise housing, and for parents with young children, the biggest fear is a child climbing onto the sill, pushing the window open and falling. Tragic news stories are a recurring reminder: window safety must never be taken lightly. Yet fall-prevention options vary widely — grilles, restrictors and locks each have pros and cons. This guide breaks down common window safety hazards and protection options to help parents make the right choice.

What Are the Common Window Safety Hazards?

Window accidents rarely stem from a single cause — usually several hazards compound. Units with young children should pay particular attention to the following:

Low, easy-to-climb sills: some older buildings have lower sills a child can reach by dragging over a stool.
Sash opens fully: without a restrictor, the window can swing or slide wide open with no buffer.
Oxidised hinges, loose handles: failed parts mean the sash won't close securely or may suddenly release, posing a risk.
No protective device at all: with neither grille nor restrictor, nothing stops a child who pushes the window hard.

In other words, window safety is not only about "whether a grille is fitted" — the condition of the parts matters just as much. For hinges and handles, you can do a basic self-check using 5 Warning Signs Your Hinges Are Failing.

Comparing Common Window Protection Options

For child fall prevention, the common options on the market each suit different situations:

OptionHow it worksAdvantagesThings to note
Opening restrictor / fall arrestorLimits the sash's maximum openingKeeps ventilation, doesn't block views, easy to installThe gap must be narrow enough (generally no more than about 10cm)
Stainless steel grilleAdds a metal barrier over the windowPrevents falls and burglary, sturdyMust allow for fire escape; some estate deeds restrict styles
Reinforced / child safety lockLocks or limits the sash from openingLow cost, immediate effectSupplementary only — still needs other measures
Replacing safety accessoriesReplaces oxidised hinges, loose handlesEnsures the sash closes securely at the rootMust be handled by a professional

In short: want ventilation plus fall prevention → opening restrictor; want maximum protection plus anti-burglary → stainless steel grille; parts already failed → replace safety accessories first. The actual combination should be decided by the unit's condition and the family's needs.

3 Key Points When Choosing Window Protection

When choosing a protection option, beyond fall prevention, these three points matter equally:

1
Allow for fire escape: a fully welded grille traps occupants in a fire. Choose an openable hatch-style design that can be released from inside, and make sure the family knows how to open it.
2
Parts must be sound first: even the best restrictor is unreliable if fitted to oxidised hinges or a loose handle. For handle issues, see Handling Loose or Oxidised Aluminium Window Handles.
3
Comply with estate rules: some private estates restrict appearance (such as grille styles) under the deed of mutual covenant — check with management before installing.

Window safety is the combined result of "parts + protective device + correct use", not a one-and-done single fitting.

A Real-Life Scenario: Fall-Prevention Reinforcement in a Tseung Kwan O High-Rise

Mrs Leung, living on the 30th floor in Tseung Kwan O with two children aged 3 and 5, feared most that they would climb the window. The bedroom sliding window's handle had loosened and the sash could open fully with no protection.

After an on-site assessment, Amgen's technician first replaced the loose handle and one oxidised hinge to ensure the sash closed securely, then fitted an opening restrictor to the bedroom window to limit the opening to a safe width while keeping everyday ventilation. After completion, Mrs Leung reported feeling reassured without sacrificing airflow. This shows the point: fall prevention means dealing with the parts first, then adding a restrictor for reliability.

Frequently Asked Questions

Does fitting a grille guarantee safety?

Not necessarily. A grille blocks falls, but if the hinges are oxidised or the handle is loose, the sash itself may still not close securely. And a fully welded grille obstructs fire escape. The safest approach is to ensure the safety accessories are sound first, then choose a protective design that allows escape.

Which is better — an opening restrictor or a grille?

They serve different purposes. A restrictor keeps ventilation and views and suits families wanting simple fall prevention; a grille prevents falls and burglary with maximum protection, but you must mind fire escape and estate deed rules. They can be combined based on the unit and the children's ages — let a technician assess the most suitable option.

Can Amgen help with window safety reinforcement?

Yes. Amgen provides Safety Accessories Works — replacing oxidised hinges, loose handles and reinforcing locks — and can recommend a suitable protection option as needed. Amgen holds licence MWC 316/2021, with licensed technicians assessing on site to ensure parts are secure and safe.

Conclusion: Sound Parts and Proper Protection for Greater Peace of Mind

There is no single answer to window safety — the key is sound parts, a suitable protective device, and allowing for fire escape. Units with young children should check window condition early and reinforce in good time.

If your window parts already have problems, Amgen's Safety Accessories Works can replace oxidised hinges and loose handles in one go, paired with fall-prevention measures. Amgen Aluminium Windows holds licence MWC 316/2021 and offers free on-site assessments — our technicians inspect the window's safety condition on site and recommend a solution. WhatsApp 6586 3435 to enquire.

Amgen Aluminium Windows
Amgen Window Engineering Team
Amgen Aluminium Windows Engineering Ltd
Licensed Contractor MWC 316/2021 | 20+ Years Industry Experience

王師傅很專業的處理工程,並在一些安全關鍵地方提出專業建議。工作態度認真和專業,值得嘉許。

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Hungfai lee
Hungfai lee
Google Review

師傅好準時,換窗鉸、手制好熟手和快手,效率高,換完會仔細測試,並重點解釋開窗關窗不順的原因,分享小貼士如何保養窗框的軌道,令窗鉸正常滑動,值得推薦!

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chi keung Mok
chi keung Mok
Google Review

用心服務,態度良好,工作專業

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Henry Lee
Henry Lee
Google Review

價錢清晰合理,無任何隱藏收費或事後收費,師傅手工真心專業同有效率,cs服務有禮反應快👍👍

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man li
man li
Google Review

師傅很認真及細心修理好窗戶

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tat hung Wong
tat hung Wong
Google Review · 在地嚮導

琴日搵安進鋁窗做全屋防漏工程,師傅好有經驗,睇到我全屋鋁窗漏水問題,雖然難做,但都解決哂,我超滿意😘

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Ssyynddi Oo
Ssyynddi Oo
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師傅尊業.. 準時,有手尾清潔,值得,合理價錢 值得推薦👍👍

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Gabriel Law
Gabriel Law
Google Review

師傅和助手都有禮同做嘢企理。師傅專業,之後雨季就可以睇真手工如何。

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Debbie Kan
Debbie Kan
Google Review

因為浴室玻璃有損壞,聯絡鄧小姐報價快,價錢合理,安排開工,師傅工作快速,細心有條理,工程完成還會清潔地方,值得推介

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May Yum
May Yum
Google Review

住村屋,近年颱風頻密,露台已申報之鋁窗嚴重滲漏,天花爛晒,向超過五間不同師傅打價,一係太貴,一係講嘢冇紋路信唔過,最後決定直接搵鋁窗公司,主要都係靠Google裏面嘅評語,搵咗安進。 鄧小姐負責初驗,已經能講出問題所在,疑惑盡解。並提供切實及合理的方案(相比之前的師傅,有些太過吹水,有些表示冇乜辦法搞,有些第一時間話要搭棚唔係做唔到)。 最後王師傅用左兩日時間,非常細心,一步一步處理。而且唔使搭棚,只係拆窗,順便換埋膠邊,方法簡單好多,同時提升鋁窗嘅防水能力。 每個過程,師傅都會解釋清楚方法及原因,使用的物料也非常讓人放心,更多次幫忙解決額外的問題。 其他師傅話,就算幫你整咗,都唔敢保證三五年唔再漏水,但王師傅整完之後,話基本上你冇乜特別情況,唔使再整,因為已經好堅固,當堂放心晒。 經過今次不斷格價,最後揀咗專業做鋁窗嘅公司,而唔係泥水或者判頭,覺得冇揀錯,因為確實有啲專業材料同專業技巧,唔係人人都知。

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Mi Mi
Mi Mi
Google Review · 在地嚮導

今日8號風球,屋企隻廁所窗,突然之間爆咗,打算3號風球嘅時候,在屋企樓下找維修公司換玻璃,點知原來周圍都找唔到即日維修嘅公司。經朋友介紹,我便聯絡安進鋁窗工程有限公司,他們的服務態度十分良好,除了幫我即時找師傅,還在全港的玻璃舖找玻璃。 由於廁所窗的玻璃是茶色,不但很難找,還要有玻璃舖頭開,令過程更添困難。最後,他們都能夠找到茶色花紋玻璃,更有師傅即刻上嚟更換。即刻成個人定曬。 因為如果玻璃跌落街,死咗人的話,會好大件事。雖然價錢比平時根本一塊玻璃比較貴,但都是值得的。因為如果遇上官非或傷人,往往價錢可能超出幾十萬倍,還要附上刑事責任。所以現在換好了,個心即刻定晒。

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Terance Lam
Terance Lam
Google Review

我係翠林邨業主揾左安進鋁窗師傳安裝鋁窗手工非常好經得起,10號風球.黑雨滴水不漏真心推薦有雖要人士揾安進鋁窗公司

Translate to English
Ping Chueng Mak
Ping Chueng Mak
Google Review

電話預約及報價,實報實收,無到場後不必要的收費,老老實實。 我只是更換一塊玻璃改為鋁塑板,師傅一來到,認真視察狀況後,提出了一啲專業建議,確立後,快快手手就完成整個更換工程,還特別為鋁塑板加固螺絲,穩固實淨!很滿意。 真係無幾多間小型工程公司,可以令客人滿意佢哋整體表現,呢間真心推薦! 我都係見到其他用家評價,而選擇呢間鋁窗公司,希望可以幫到有需要嘅人。

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Jimmy Choi
Jimmy Choi
Google Review · 在地嚮導

工程完滿結束,謝謝!

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Kithung Lee
Kithung Lee
Google Review

師父十分細心,有問必答,價錢公道

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Sonia.L
Sonia.L
Google Review

多謝你哋公司和鋁窗安裝師傅,工程重質重量,技術專業,細心週到。

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King Tai To
King Tai To
Google Review

服務好好,報價清楚,工程準時。

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Admin NM
Admin NM
Google Review

詳細講述工程內的細節,手工又精細,下次有關鋁窗的工程會再找他們幫手。

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TL Wu
TL Wu
Google Review

非常有效率,推介

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Gigi POON
Gigi POON
Google Review

Accurate information with professional and efficient attitude of the work. One of the best suppliers I recommend.

Raymond Cheung
Raymond Cheung
Google Review

師傅好快手👍👍👍值得推介🥰

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Kwong wang Cho
Kwong wang Cho
Google Review

與客對接員工回覆及跟進很快,工作員工很有禮貌,工程也很完善

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Peter Poon
Peter Poon
Google Review

非常細心,詢問時已經詳細講解,然後再有師傅度尺大概一個多星期已經安裝完成非常有效率 而且也在安裝窗的時候幫我放地氈在冷氣機上減低落雨的聲音

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Shuk Han Christine Yee
Shuk Han Christine Yee
Google Review

Wong師傅開工準時,做工手勢純熟,速度快,對客人疑問都能解釋清楚,整體工程結果很滿意👍👍👍

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fong Kong
fong Kong
Google Review

師傅專業,非常滿意,推薦

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Gwen Chau
Gwen Chau
Google Review

师付专业,快手,企理,价钱明确,合理

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Sue Tam
Sue Tam
Google Review

鋁窗渗水的問題己令我煩惱了多年,二十年前曾找装修公司更換所有鋁窗,到強制驗窗的時期也曾找過鋁窗公司修理但情况並未得以改善,这次我决定自己找-問鋁窗工程公司上門檢查報价,經過問价及檢查,安進鋁窗並不是最便宜的-家,什至比起別家貴了幾千元,但看过他們的貨品及祥细的解釋工序,令我們覺得貨真价實,值得信賴,今天完工後發覺效果並沒有令我們失望,希望狂風暴雨時再也沒有渗水現象,鄧小姐上門替我們檢查窗門,報价及祥細的解釋很專業,開工那天她自己也上門跟進很盡责,王師傅很細心.很有經驗,對这次的工程我們都很滿意,可以分享的是千萬不要交託装修師傅去更換或维修鋁窗,不是專業的是不可靠的

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Alice Chan
Alice Chan
Google Review

防水 勁

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王家
王家
Google Review

快靚正,幫到手👍🏻

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Jess Ho (淘)
Jess Ho (淘)
Google Review

本人藍田康華苑業主,委托安進鉛窗工程公司更換全屋鋁窗事宜,感覺(快,靓,正👍)裝窗師傅好有水準兼好專業👍本人非常满意👍👏

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chakleung yau
chakleung yau
Google Review

之前未更換鋁窗好擔心打風落雨,窗台會漏水,最近揾左安進公司更換全屋鋁窗,經得起最近十號颱風和極端惡劣的黑色暴雨後,鋁窗滴水不漏,令我好放心,多謝安進鋁窗公司師傅手工一流,工作細心給我們一個安樂窩,感謝安進及誠意推薦大家揾安進服務。

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chin anson5
chin anson5
Google Review

Excellent service, extremely satisfied with the end result. All personnel involved were very professional and completed the duties in a timely manner, answering any questions very politely. Very accomodating to our needs, highly recommended if your windows need fixing.

Jane Chan
Jane Chan
Google Review

師傅好熱心解答我的問題,窗又整得好好👍五星好評

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Kaching Wong
Kaching Wong
Google Review

王師傅很專業的處理工程,並在一些安全關鍵地方提出專業建議。工作態度認真和專業,值得嘉許。

Translate to English
Hungfai lee
Hungfai lee
Google Review

師傅好準時,換窗鉸、手制好熟手和快手,效率高,換完會仔細測試,並重點解釋開窗關窗不順的原因,分享小貼士如何保養窗框的軌道,令窗鉸正常滑動,值得推薦!

Translate to English
chi keung Mok
chi keung Mok
Google Review

用心服務,態度良好,工作專業

Translate to English
Henry Lee
Henry Lee
Google Review

價錢清晰合理,無任何隱藏收費或事後收費,師傅手工真心專業同有效率,cs服務有禮反應快👍👍

Translate to English
man li
man li
Google Review

師傅很認真及細心修理好窗戶

Translate to English
tat hung Wong
tat hung Wong
Google Review · 在地嚮導

琴日搵安進鋁窗做全屋防漏工程,師傅好有經驗,睇到我全屋鋁窗漏水問題,雖然難做,但都解決哂,我超滿意😘

Translate to English
Ssyynddi Oo
Ssyynddi Oo
Google Review

師傅尊業.. 準時,有手尾清潔,值得,合理價錢 值得推薦👍👍

Translate to English
Gabriel Law
Gabriel Law
Google Review

師傅和助手都有禮同做嘢企理。師傅專業,之後雨季就可以睇真手工如何。

Translate to English
Debbie Kan
Debbie Kan
Google Review

因為浴室玻璃有損壞,聯絡鄧小姐報價快,價錢合理,安排開工,師傅工作快速,細心有條理,工程完成還會清潔地方,值得推介

Translate to English
May Yum
May Yum
Google Review

住村屋,近年颱風頻密,露台已申報之鋁窗嚴重滲漏,天花爛晒,向超過五間不同師傅打價,一係太貴,一係講嘢冇紋路信唔過,最後決定直接搵鋁窗公司,主要都係靠Google裏面嘅評語,搵咗安進。 鄧小姐負責初驗,已經能講出問題所在,疑惑盡解。並提供切實及合理的方案(相比之前的師傅,有些太過吹水,有些表示冇乜辦法搞,有些第一時間話要搭棚唔係做唔到)。 最後王師傅用左兩日時間,非常細心,一步一步處理。而且唔使搭棚,只係拆窗,順便換埋膠邊,方法簡單好多,同時提升鋁窗嘅防水能力。 每個過程,師傅都會解釋清楚方法及原因,使用的物料也非常讓人放心,更多次幫忙解決額外的問題。 其他師傅話,就算幫你整咗,都唔敢保證三五年唔再漏水,但王師傅整完之後,話基本上你冇乜特別情況,唔使再整,因為已經好堅固,當堂放心晒。 經過今次不斷格價,最後揀咗專業做鋁窗嘅公司,而唔係泥水或者判頭,覺得冇揀錯,因為確實有啲專業材料同專業技巧,唔係人人都知。

Translate to English
Mi Mi
Mi Mi
Google Review · 在地嚮導

今日8號風球,屋企隻廁所窗,突然之間爆咗,打算3號風球嘅時候,在屋企樓下找維修公司換玻璃,點知原來周圍都找唔到即日維修嘅公司。經朋友介紹,我便聯絡安進鋁窗工程有限公司,他們的服務態度十分良好,除了幫我即時找師傅,還在全港的玻璃舖找玻璃。 由於廁所窗的玻璃是茶色,不但很難找,還要有玻璃舖頭開,令過程更添困難。最後,他們都能夠找到茶色花紋玻璃,更有師傅即刻上嚟更換。即刻成個人定曬。 因為如果玻璃跌落街,死咗人的話,會好大件事。雖然價錢比平時根本一塊玻璃比較貴,但都是值得的。因為如果遇上官非或傷人,往往價錢可能超出幾十萬倍,還要附上刑事責任。所以現在換好了,個心即刻定晒。

Translate to English
Terance Lam
Terance Lam
Google Review

我係翠林邨業主揾左安進鋁窗師傳安裝鋁窗手工非常好經得起,10號風球.黑雨滴水不漏真心推薦有雖要人士揾安進鋁窗公司

Translate to English
Ping Chueng Mak
Ping Chueng Mak
Google Review

電話預約及報價,實報實收,無到場後不必要的收費,老老實實。 我只是更換一塊玻璃改為鋁塑板,師傅一來到,認真視察狀況後,提出了一啲專業建議,確立後,快快手手就完成整個更換工程,還特別為鋁塑板加固螺絲,穩固實淨!很滿意。 真係無幾多間小型工程公司,可以令客人滿意佢哋整體表現,呢間真心推薦! 我都係見到其他用家評價,而選擇呢間鋁窗公司,希望可以幫到有需要嘅人。

Translate to English
Jimmy Choi
Jimmy Choi
Google Review · 在地嚮導

工程完滿結束,謝謝!

Translate to English
Kithung Lee
Kithung Lee
Google Review

師父十分細心,有問必答,價錢公道

Translate to English
Sonia.L
Sonia.L
Google Review

多謝你哋公司和鋁窗安裝師傅,工程重質重量,技術專業,細心週到。

Translate to English
King Tai To
King Tai To
Google Review

服務好好,報價清楚,工程準時。

Translate to English
Admin NM
Admin NM
Google Review

詳細講述工程內的細節,手工又精細,下次有關鋁窗的工程會再找他們幫手。

Translate to English
TL Wu
TL Wu
Google Review

非常有效率,推介

Translate to English
Gigi POON
Gigi POON
Google Review

Accurate information with professional and efficient attitude of the work. One of the best suppliers I recommend.

Raymond Cheung
Raymond Cheung
Google Review

師傅好快手👍👍👍值得推介🥰

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Kwong wang Cho
Kwong wang Cho
Google Review

與客對接員工回覆及跟進很快,工作員工很有禮貌,工程也很完善

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Peter Poon
Peter Poon
Google Review

非常細心,詢問時已經詳細講解,然後再有師傅度尺大概一個多星期已經安裝完成非常有效率 而且也在安裝窗的時候幫我放地氈在冷氣機上減低落雨的聲音

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Shuk Han Christine Yee
Shuk Han Christine Yee
Google Review

Wong師傅開工準時,做工手勢純熟,速度快,對客人疑問都能解釋清楚,整體工程結果很滿意👍👍👍

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fong Kong
fong Kong
Google Review

師傅專業,非常滿意,推薦

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Gwen Chau
Gwen Chau
Google Review

师付专业,快手,企理,价钱明确,合理

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Sue Tam
Sue Tam
Google Review

鋁窗渗水的問題己令我煩惱了多年,二十年前曾找装修公司更換所有鋁窗,到強制驗窗的時期也曾找過鋁窗公司修理但情况並未得以改善,这次我决定自己找-問鋁窗工程公司上門檢查報价,經過問价及檢查,安進鋁窗並不是最便宜的-家,什至比起別家貴了幾千元,但看过他們的貨品及祥细的解釋工序,令我們覺得貨真价實,值得信賴,今天完工後發覺效果並沒有令我們失望,希望狂風暴雨時再也沒有渗水現象,鄧小姐上門替我們檢查窗門,報价及祥細的解釋很專業,開工那天她自己也上門跟進很盡责,王師傅很細心.很有經驗,對这次的工程我們都很滿意,可以分享的是千萬不要交託装修師傅去更換或维修鋁窗,不是專業的是不可靠的

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Alice Chan
Alice Chan
Google Review

防水 勁

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王家
王家
Google Review

快靚正,幫到手👍🏻

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Jess Ho (淘)
Jess Ho (淘)
Google Review

本人藍田康華苑業主,委托安進鉛窗工程公司更換全屋鋁窗事宜,感覺(快,靓,正👍)裝窗師傅好有水準兼好專業👍本人非常满意👍👏

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chakleung yau
chakleung yau
Google Review

之前未更換鋁窗好擔心打風落雨,窗台會漏水,最近揾左安進公司更換全屋鋁窗,經得起最近十號颱風和極端惡劣的黑色暴雨後,鋁窗滴水不漏,令我好放心,多謝安進鋁窗公司師傅手工一流,工作細心給我們一個安樂窩,感謝安進及誠意推薦大家揾安進服務。

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chin anson5
chin anson5
Google Review

Excellent service, extremely satisfied with the end result. All personnel involved were very professional and completed the duties in a timely manner, answering any questions very politely. Very accomodating to our needs, highly recommended if your windows need fixing.

Jane Chan
Jane Chan
Google Review

師傅好熱心解答我的問題,窗又整得好好👍五星好評

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Kaching Wong
Kaching Wong
Google Review

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