{"id":2090,"date":"2025-12-17T02:21:25","date_gmt":"2025-12-17T02:21:25","guid":{"rendered":"https:\/\/vholdings.com.vn\/blog\/?p=2090"},"modified":"2026-04-16T09:55:02","modified_gmt":"2026-04-16T09:55:02","slug":"tay-co-am-dormakaba-its-915-2","status":"publish","type":"post","link":"https:\/\/vholdings.com.vn\/blog\/tin-tuc\/tay-co-am-dormakaba-its-915-2\/","title":{"rendered":"Tay co \u00e2m Dormakaba ITS 915: N\u00e2ng t\u1ea7m \u0111\u1eb3ng c\u1ea5p c\u1eeda v\u1edbi chi ph\u00ed t\u1ed1i \u01b0u"},"content":{"rendered":"

B\u1ea1n mu\u1ed1n kh\u00f4ng gian n\u1ed9i th\u1ea5t c\u1ee7a m\u00ecnh tr\u00f4ng th\u1eadt t\u1ed1i gi\u1ea3n v\u00e0 sang tr\u1ecdng? Tuy nhi\u00ean, chi ph\u00ed cho c\u00e1c d\u00f2ng tay co \u00e2m tr\u1ea7n cao c\u1ea5p th\u01b0\u1eddng kh\u00e1 \u0111\u1eaft \u0111\u1ecf. \u0110\u1eebng lo l\u1eafng, tay co \u00e2m Dormakaba ITS 915 ch\u00ednh l\u00e0 l\u1eddi gi\u1ea3i cho b\u00e0i to\u00e1n n\u00e0y.<\/span><\/p>\n

\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng gi\u1eefa d\u00f2ng cao c\u1ea5p v\u00e0 ph\u1ed5 th\u00f4ng, ITS 915 mang \u0111\u1ebfn v\u1ebb \u0111\u1eb9p “t\u00e0ng h\u00ecnh” ho\u00e0n h\u1ea3o v\u1edbi m\u1ee9c gi\u00e1 c\u1ef1c k\u1ef3 h\u1ee3p l\u00fd. K\u1ebft qu\u1ea3 l\u00e0, b\u1ea1n c\u00f3 th\u1ec3 t\u1eadn h\u01b0\u1edfng c\u00f4ng ngh\u1ec7 m\u1edf c\u1eeda nh\u1eb9 nh\u00e0ng chu\u1ea9n \u0110\u1ee9c m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ea7u t\u01b0 qu\u00e1 l\u1edbn.<\/span><\/p>\n

\"Tay<\/p>\n

V\u1ebb \u0111\u1eb9p tinh t\u1ebf kh\u00f4ng t\u00ec v\u1ebft c\u1ee7a tay co \u00e2m Dormakaba ITS 915<\/b><\/h2>\n

Xu h\u01b0\u1edbng thi\u1ebft k\u1ebf n\u1ed9i th\u1ea5t hi\u1ec7n nay \u0111\u1ec1 cao s\u1ef1 li\u1ec1n m\u1ea1ch. Trong b\u1ed1i c\u1ea3nh \u0111\u00f3, nh\u1eefng chi\u1ebfc tay co n\u1ed5i c\u1ed3ng k\u1ec1nh tr\u1edf n\u00ean l\u1ea1c h\u1eadu.<\/span><\/p>\n

\u1ea8n m\u00ecnh ho\u00e0n to\u00e0n trong khung g\u1ed7<\/b><\/h3>\n

\u0110i\u1ec3m m\u1ea1nh l\u1edbn nh\u1ea5t c\u1ee7a ITS 915 l\u00e0 kh\u1ea3 n\u0103ng gi\u1ea5u k\u00edn. To\u00e0n b\u1ed9 th\u00e2n tay co v\u00e0 thanh tr\u01b0\u1ee3t \u0111\u01b0\u1ee3c l\u1eafp \u00e2m v\u00e0o \u0111\u1ed9 d\u00e0y c\u1ee7a c\u00e1nh c\u1eeda v\u00e0 khu\u00f4n bao. Khi c\u1eeda \u0111\u00f3ng l\u1ea1i, thi\u1ebft b\u1ecb bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n kh\u1ecfi t\u1ea7m m\u1eaft. Nh\u1edd \u0111\u00f3, nh\u1eefng \u0111\u01b0\u1eddng v\u00e2n g\u1ed7 \u0111\u1eb9p m\u1eaft hay thi\u1ebft k\u1ebf c\u1eeda hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c t\u00f4n vinh tr\u1ecdn v\u1eb9n. Kh\u00e1ch \u0111\u1ebfn ch\u01a1i nh\u00e0 s\u1ebd ch\u1ec9 th\u1ea5y s\u1ef1 g\u1ecdn g\u00e0ng, ng\u0103n n\u1eafp m\u00e0 kh\u00f4ng h\u1ec1 bi\u1ebft c\u00f3 m\u1ed9t “v\u1ec7 s\u0129” \u0111ang \u00e2m th\u1ea7m ho\u1ea1t \u0111\u1ed9ng b\u00ean trong.<\/span><\/p>\n

Tay co \u00e2m Dormakaba ITS 915 s\u1ef1 l\u1ef1a ch\u1ecdn c\u1ee7a c\u00e1c c\u0103n h\u1ed9 hi\u1ec7n \u0111\u1ea1i<\/b><\/h3>\n

N\u1ebfu d\u00f2ng ITS 96 chuy\u00ean d\u00f9ng cho kh\u00e1ch s\u1ea1n 5 sao, th\u00ec tay co \u00e2m Dormakaba ITS 915 l\u1ea1i l\u00e0 “ng\u00f4i sao” t\u1ea1i c\u00e1c chung c\u01b0 cao c\u1ea5p. B\u1edfi v\u00ec k\u00edch th\u01b0\u1edbc c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 v\u1eeba v\u1eb7n v\u1edbi c\u00e1c lo\u1ea1i c\u1eeda g\u1ed7 c\u00f4ng nghi\u1ec7p v\u00e0 c\u1eeda ch\u1ed1ng ch\u00e1y ti\u00eau chu\u1ea9n (\u0111\u1ed9 d\u00e0y t\u1eeb 40mm – 45mm).<\/span><\/p>\n

Tr\u1ea3i nghi\u1ec7m m\u1edf c\u1eeda “nh\u1eb9 nh\u01b0 kh\u00f4ng” nh\u1edd c\u00f4ng ngh\u1ec7 Cam-Motion<\/b><\/h2>\n

D\u00f9 l\u00e0 d\u00f2ng t\u1ed1i \u01b0u chi ph\u00ed, Dormakaba v\u1eabn h\u00e0o ph\u00f3ng trang b\u1ecb cho ITS 915 c\u00f4ng ngh\u1ec7 l\u00f5i t\u1ed1t nh\u1ea5t c\u1ee7a h\u00e3ng.<\/span><\/p>\n

Tr\u1ee5c Cam h\u00ecnh tr\u00e1i tim th\u00f4ng minh<\/b><\/h3>\n

Kh\u00e1c v\u1edbi c\u01a1 ch\u1ebf B\u00e1nh r\u0103ng – Thanh r\u0103ng n\u1eb7ng n\u1ec1, tay co \u00e2m Dormakaba ITS 915 s\u1eed d\u1ee5ng tr\u1ee5c Cam h\u00ecnh tr\u00e1i tim (Heart-shaped cam). Khi b\u1ea1n \u0111\u1ea9y c\u1eeda, tr\u1ee5c cam n\u00e0y gi\u00fap gi\u1ea3m l\u1ef1c kh\u00e1ng c\u1ef1 xu\u1ed1ng m\u1ee9c th\u1ea5p nh\u1ea5t ngay t\u1ee9c th\u00ec. C\u1ee5 th\u1ec3, l\u1ef1c m\u1edf c\u1eeda gi\u1ea3m t\u1edbi 40% so v\u1edbi tay co th\u00f4ng th\u01b0\u1eddng.<\/span><\/p>\n

Th\u00e2n thi\u1ec7n v\u1edbi m\u1ecdi th\u00e0nh vi\u00ean gia \u0111\u00ecnh<\/b><\/h3>\n

Nh\u1edd c\u00f4ng ngh\u1ec7 n\u00e0y, tr\u1ebb nh\u1ecf hay ng\u01b0\u1eddi gi\u00e0 \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111i qua c\u1eeda m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. H\u1ecd kh\u00f4ng c\u1ea7n t\u1ed1n s\u1ee9c \u0111\u1ec3 “\u0111\u00e1nh v\u1eadt” v\u1edbi c\u00e1nh c\u1eeda n\u1eb7ng n\u1ec1. \u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n ti\u1ec7n nghi b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 trong c\u00e1c ng\u00f4i nh\u00e0 th\u00f4ng minh (Smarthome) hi\u1ec7n nay.<\/span><\/p>\n

Ti\u1ec7n \u00edch m\u1edf r\u1ed9ng v\u1edbi ch\u1ee9c n\u0103ng gi\u1eef c\u1eeda c\u1ee7a tay co \u00e2m Dormakaba ITS 915<\/b><\/h2>\n

Ngo\u00e0i ch\u1ee9c n\u0103ng \u0111\u00f3ng t\u1ef1 \u0111\u1ed9ng, tay co \u00e2m Dormakaba ITS 915 c\u00f2n mang l\u1ea1i s\u1ef1 ti\u1ec7n l\u1ee3i t\u1ed1i \u0111a nh\u1edd t\u00f9y ch\u1ecdn gi\u1eef c\u1eeda.<\/span><\/p>\n

Gi\u1eef c\u1eeda th\u00f4ng minh kh\u00f4ng c\u1ea7n ch\u1eb7n s\u00e0n<\/b><\/h3>\n

Nhi\u1ec1u gia \u0111\u00ecnh mu\u1ed1n m\u1edf c\u1eeda \u0111\u1ec3 th\u00f4ng gi\u00f3 ho\u1eb7c d\u1ecdn d\u1eb9p nh\u00e0 c\u1eeda. Tuy nhi\u00ean, vi\u1ec7c d\u00f9ng ch\u1eb7n c\u1eeda (door stop) d\u01b0\u1edbi s\u00e0n th\u01b0\u1eddng g\u00e2y v\u01b0\u1edbng v\u00edu. Gi\u1ea3i ph\u00e1p l\u00e0 s\u1eed d\u1ee5ng thanh tr\u01b0\u1ee3t G 915 c\u00f3 t\u00edch h\u1ee3p \u0111i\u1ec3m gi\u1eef c\u1eeda c\u01a1 kh\u00ed (Mechanical Hold-open). Khi b\u1ea1n m\u1edf c\u1eeda \u0111\u1ebfn m\u1ed9t g\u00f3c nh\u1ea5t \u0111\u1ecbnh (v\u00ed d\u1ee5 90 \u0111\u1ed9), c\u1eeda s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u1ee9ng y\u00ean. Ch\u1ec9 c\u1ea7n m\u1ed9t l\u1ef1c \u0111\u1ea9y nh\u1eb9, c\u1eeda s\u1ebd l\u1ea1i t\u1ef1 \u0111\u1ed9ng \u0111\u00f3ng l\u1ea1i.<\/span><\/p>\n

B\u1ea3o v\u1ec7 t\u01b0\u1eddng v\u1edbi gi\u1edbi h\u1ea1n g\u00f3c m\u1edf<\/b><\/h3>\n

M\u1ed9t t\u00ednh n\u0103ng \u1ea9n \u0111\u00e1ng gi\u00e1 kh\u00e1c l\u00e0 “Cushioned Limit Stay”. Trong tr\u01b0\u1eddng h\u1ee3p c\u1eeda b\u1ecb gi\u00f3 th\u1ed5i m\u1ea1nh ho\u1eb7c m\u1edf qu\u00e1 \u0111\u00e0, c\u01a1 c\u1ea5u n\u00e0y s\u1ebd ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t t\u1ea5m \u0111\u1ec7m. N\u00f3 gi\u00fap h\u00e3m c\u00e1nh c\u1eeda l\u1ea1i tr\u01b0\u1edbc khi tay n\u1eafm \u0111\u1eadp v\u00e0o t\u01b0\u1eddng. Nh\u1edd v\u1eady, n\u1ed9i th\u1ea5t v\u00e0 t\u01b0\u1eddng nh\u00e0 b\u1ea1n lu\u00f4n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 an to\u00e0n m\u00e0 kh\u00f4ng c\u1ea7n l\u1eafp th\u00eam ph\u1ee5 ki\u1ec7n r\u01b0\u1eddm r\u00e0.<\/span><\/p>\n

S\u1ef1 linh ho\u1ea1t trong l\u1eafp \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh c\u1ee7a tay co \u00e2m Dormakaba ITS 915<\/b><\/h2>\n

Kh\u00f4ng ch\u1ec9 \u0111\u1eb9p, s\u1ea3n ph\u1ea9m c\u00f2n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/span><\/p>\n

Thanh tr\u01b0\u1ee3t G 915 v\u1eadn h\u00e0nh \u00eam \u00e1i<\/b><\/h3>\n

\u0110i k\u00e8m v\u1edbi th\u00e2n tay co l\u00e0 h\u1ec7 thanh tr\u01b0\u1ee3t G 915 chuy\u00ean d\u1ee5ng. Khi c\u1eeda ho\u1ea1t \u0111\u1ed9ng, tay k\u1ebft n\u1ed1i tr\u01b0\u1ee3t nh\u1eb9 nh\u00e0ng trong r\u00e3nh ray m\u00e0 kh\u00f4ng g\u00e2y ra ti\u1ebfng \u1ed3n. H\u01a1n n\u1eefa, thi\u1ebft k\u1ebf n\u00e0y lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n nguy c\u01a1 va ch\u1ea1m \u0111\u1ea7u v\u00e0o tay \u0111\u00f2n nh\u01b0 c\u00e1c lo\u1ea1i tay co n\u1ed5i truy\u1ec1n th\u1ed1ng.<\/span><\/p>\n

\u0110i\u1ec1u ch\u1ec9nh l\u1ef1c \u0111\u00f3ng v\u00e0 t\u1ed1c \u0111\u1ed9 d\u1ec5 d\u00e0ng<\/b><\/h3>\n

Tay co \u00e2m Dormakaba ITS 915 cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh l\u1ef1c \u0111\u00f3ng (Size EN 3 ho\u1eb7c EN 4) linh ho\u1ea1t. B\u00ean c\u1ea1nh \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 tinh ch\u1ec9nh t\u1ed1c \u0111\u1ed9 \u0111\u00f3ng c\u1eeda v\u00e0 l\u1ef1c ch\u1ed1t (latching action) th\u00f4ng qua c\u00e1c van v\u00edt \u1edf m\u1eb7t tr\u00ean. \u0110i\u1ec1u n\u00e0y gi\u00fap th\u1ee3 l\u1eafp \u0111\u1eb7t d\u1ec5 d\u00e0ng c\u0103n ch\u1ec9nh sao cho c\u1eeda \u0111\u00f3ng \u00eam nh\u1ea5t, b\u1ea5t ch\u1ea5p \u00e1p su\u1ea5t gi\u00f3 hay \u0111\u1ed9 c\u1ee9ng c\u1ee7a gio\u0103ng.<\/span><\/p>\n

\u0110\u1ea7u t\u01b0 b\u1ec1n v\u1eefng v\u1edbi ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng \u0110\u1ee9c<\/b><\/h2>\n

T\u1ea1i sao b\u1ea1n n\u00ean ch\u1ecdn ITS 915 thay v\u00ec c\u00e1c lo\u1ea1i tay co \u00e2m gi\u00e1 r\u1ebb tr\u00f4i n\u1ed5i? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf \u0111\u1ed9 b\u1ec1n.<\/span><\/p>\n

Ch\u1ee9ng nh\u1eadn an to\u00e0n qu\u1ed1c t\u1ebf<\/b><\/h3>\n

S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t ISO 9001. \u0110\u1eb7c bi\u1ec7t, n\u00f3 \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n EN 1154 cho \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. \u0110\u1ed1i v\u1edbi c\u00e1c c\u0103n h\u1ed9 y\u00eau c\u1ea7u c\u1eeda ch\u1ed1ng ch\u00e1y, tay co \u00e2m Dormakaba ITS 915 ho\u00e0n to\u00e0n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m \u0111\u1ecbnh PCCC hi\u1ec7n h\u00e0nh.<\/span><\/p>\n

Tu\u1ed5i th\u1ecd v\u01b0\u1ee3t tr\u1ed9i<\/b><\/h3>\n

Mua m\u1ed9t l\u1ea7n d\u00f9ng c\u1ea3 \u0111\u1eddi. \u0110\u00f3 l\u00e0 cam k\u1ebft v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a Dormakaba. V\u1eadt li\u1ec7u h\u1ee3p kim cao c\u1ea5p gi\u00fap tay co ch\u1ed1ng l\u1ea1i s\u1ef1 m\u00e0i m\u00f2n v\u00e0 r\u1ec9 s\u00e9t. Do \u0111\u00f3, b\u1ea1n kh\u00f4ng ph\u1ea3i lo l\u1eafng v\u1ec1 vi\u1ec7c \u0111\u1ee5c ph\u00e1 c\u1eeda \u0111\u1ec3 thay th\u1ebf tay co h\u1ecfng, \u0111i\u1ec1u v\u1ed1n r\u1ea5t phi\u1ec1n to\u00e1i v\u00e0 t\u1ed1n k\u00e9m.<\/span><\/p>\n

S\u1edf h\u1eefu tay co \u00e2m Dormakaba ITS 915 ch\u00ednh h\u00e3ng t\u1ea1i Vholdings<\/b><\/h2>\n

Vi\u1ec7c l\u1eafp \u0111\u1eb7t tay co \u00e2m \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt cao v\u00e0 s\u1ea3n ph\u1ea9m chu\u1ea9n. N\u1ebfu mua ph\u1ea3i h\u00e0ng gi\u1ea3, vi\u1ec7c kho\u00e9t c\u1eeda sai k\u00edch th\u01b0\u1edbc s\u1ebd l\u00e0m h\u1ecfng c\u1ea3 b\u1ed9 c\u1eeda \u0111\u1eaft ti\u1ec1n c\u1ee7a b\u1ea1n.<\/span><\/p>\n

Vholdings t\u1ef1 h\u00e0o l\u00e0 \u0111\u01a1n v\u1ecb ph\u00e2n ph\u1ed1i uy t\u00edn c\u00e1c s\u1ea3n ph\u1ea9m Dormakaba. Ch\u00fang t\u00f4i cam k\u1ebft:<\/span><\/p>\n

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  • H\u00e0ng ch\u00ednh h\u00e3ng:<\/b> Xu\u1ea5t x\u1ee9 r\u00f5 r\u00e0ng, \u0111\u1ea7y \u0111\u1ee7 CO\/CQ.<\/span><\/li>\n
  • H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt:<\/b> Cung c\u1ea5p b\u1ea3n v\u1ebd kho\u00e9t c\u1eeda ch\u00ednh x\u00e1c (Template) v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t chi ti\u1ebft.<\/span><\/li>\n
  • Gi\u00e1 t\u1ed1t nh\u1ea5t:<\/b> Gi\u1ea3i ph\u00e1p sang tr\u1ecdng v\u1edbi m\u1ee9c ng\u00e2n s\u00e1ch t\u1ed1i \u01b0u nh\u1ea5t.<\/span><\/li>\n<\/ul>\n

    H\u00e3y li\u00ean h\u1ec7 ngay v\u1edbi Vholdings. Ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n n\u00e2ng t\u1ea7m \u0111\u1eb3ng c\u1ea5p kh\u00f4ng gian s\u1ed1ng v\u1edbi nh\u1eefng gi\u1ea3i ph\u00e1p c\u1eeda tinh t\u1ebf nh\u1ea5t.<\/span><\/p>\n

    Th\u00f4ng tin li\u00ean h\u1ec7 Vholdings<\/b><\/p>\n

    C\u00d4NG TY C\u1ed4 PH\u1ea6N QU\u1ed0C T\u1ebe VHOLDINGS VI\u1ec6T NAM<\/b><\/p>\n

    V\u0103n ph\u00f2ng H\u00e0 N\u1ed9i: S\u1ed1 29 Simco, \u0111\u01b0\u1eddng Ph\u1ea1m H\u00f9ng, Ph\u01b0\u1eddng T\u1eeb Li\u00eam, Th\u00e0nh ph\u1ed1 H\u00e0 N\u1ed9i<\/span><\/p>\n

    V\u0103n ph\u00f2ng H\u1ed3 Ch\u00ed Minh: T\u1ea7ng 2, T\u00f2a nh\u00e0 IOS, 602\/27 \u0110i\u1ec7n Bi\u00ean Ph\u1ee7, Ph\u01b0\u1eddng Th\u1ea1nh M\u1ef9 T\u00e2y, H\u1ed3 Ch\u00ed Minh.<\/span><\/p>\n

    Hotline: <\/span>0975 303 505<\/span><\/p>\n

     <\/p>\n","protected":false},"excerpt":{"rendered":"

    B\u1ea1n mu\u1ed1n kh\u00f4ng gian n\u1ed9i th\u1ea5t c\u1ee7a m\u00ecnh tr\u00f4ng th\u1eadt t\u1ed1i gi\u1ea3n v\u00e0 sang tr\u1ecdng? Tuy nhi\u00ean, chi ph\u00ed cho c\u00e1c d\u00f2ng tay co \u00e2m tr\u1ea7n cao c\u1ea5p th\u01b0\u1eddng kh\u00e1 \u0111\u1eaft \u0111\u1ecf. \u0110\u1eebng lo l\u1eafng, tay co \u00e2m Dormakaba ITS 915 ch\u00ednh l\u00e0 l\u1eddi gi\u1ea3i cho b\u00e0i to\u00e1n n\u00e0y. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y […]<\/p>\n","protected":false},"author":1,"featured_media":2091,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"\nTay co \u00e2m Dormakaba ITS 915: Sang tr\u1ecdng, Tinh t\u1ebf & Gi\u00e1 t\u1ed1t<\/title>\n<meta name=\"description\" content=\"Mu\u1ed1n c\u1eeda \u0111\u1eb9p tinh t\u1ebf v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd? 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