{"id":1159,"date":"2025-09-11T05:54:37","date_gmt":"2025-09-11T05:54:37","guid":{"rendered":"https:\/\/luzhongbao.com\/?p=1159"},"modified":"2025-09-11T05:54:38","modified_gmt":"2025-09-11T05:54:38","slug":"nap-ho-ga-am-luzhongbao-300x300","status":"publish","type":"post","link":"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-am-luzhongbao-300x300\/","title":{"rendered":"N\u1eafp h\u1ed1 ga \u00e2m t\u01b0\u1eddng LuZhongBao 300\u00d7300"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Thi\u1ebft k\u1ebf ho\u00e0n h\u1ea3o &nbsp;<\/h3>\n\n\n\n<p>C\u1ea5u tr\u00fac l\u00f5m cung c\u1ea5p \u0111\u1ed9 s\u00e2u l\u1ea5p \u0111\u1ea7y 15-20mm \u0111\u1ec3 nh\u00fang li\u1ec1n m\u1ea1ch v\u00e0o nh\u1ef1a \u0111\u01b0\u1eddng ho\u1eb7c b\u00ea t\u00f4ng &nbsp;<\/p>\n\n\n\n<p>Ch\u00eanh l\u1ec7ch chi\u1ec1u cao v\u1edbi m\u1eb7t \u0111\u1ea5t xung quanh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong ph\u1ea1m vi \u00b10,5mm, gi\u00fap ti\u1ebfp c\u1eadn th\u1ef1c s\u1ef1 kh\u00f4ng c\u00f3 r\u00e0o c\u1ea3n &nbsp;<\/p>\n\n\n\n<p>K\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t \u0111\u1eb7c bi\u1ec7t gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a v\u1eadt li\u1ec7u tr\u00e1m v\u00e0 ng\u0103n ng\u1eeba bong tr\u00f3c &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hi\u1ec7u su\u1ea5t ch\u1ecbu t\u1ea3i \u0111\u1eb7c bi\u1ec7t &nbsp;<\/h3>\n\n\n\n<p>Gang d\u1ebbo QT500-7 c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o \u2265500MPa, gi\u1edbi h\u1ea1n ch\u1ea3y \u2265320MPa &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf g\u00e2n gia c\u1ed1 b\u00ean trong, \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn ch\u1ecbu t\u1ea3i tr\u1ecdng Lo\u1ea1i B (250kN) &nbsp;<\/p>\n\n\n\n<p>T\u1ea3i tr\u1ecdng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u cho v\u1ec9a h\u00e8, qu\u1ea3ng tr\u01b0\u1eddng v\u00e0 c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ednh n\u0103ng an to\u00e0n v\u00e0 ch\u1ed1ng tr\u01b0\u1ee3t &nbsp;<\/h3>\n\n\n\n<p>L\u1edbp \u0111\u1ec7m t\u1ea1o th\u00e0nh b\u1ec1 m\u1eb7t ch\u1ed1ng tr\u01b0\u1ee3t t\u1ef1 nhi\u00ean ph\u00f9 h\u1ee3p v\u1edbi m\u1eb7t \u0111\u1ea5t xung quanh &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc \u0111\u1eb7c bi\u1ec7t ng\u0103n ng\u1eeba s\u1ef1 t\u00edch t\u1ee5 n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ch\u1ed1ng tr\u01b0\u1ee3t &nbsp;<\/p>\n\n\n\n<p>C\u00e1c c\u1ea1nh bo tr\u00f2n lo\u1ea1i b\u1ecf nguy c\u01a1 v\u1ea5p ng\u00e3 &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n &nbsp;<\/h3>\n\n\n\n<p>M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng ho\u00e0n to\u00e0n (\u0111\u1ed9 d\u00e0y l\u1edbp k\u1ebdm \u226580\u03bcm) &nbsp;<\/p>\n\n\n\n<p>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n phun mu\u1ed1i &gt;2.000 gi\u1edd, th\u00edch \u1ee9ng v\u1edbi nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau &nbsp;<\/p>\n\n\n\n<p>Tu\u1ed5i th\u1ecd v\u01b0\u1ee3t qu\u00e1 25 n\u0103m v\u1edbi chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec thu\u1eadn ti\u1ec7n &nbsp;<\/h3>\n\n\n\n<p>K\u00edch th\u01b0\u1edbc chu\u1ea9n h\u00f3a cho ph\u00e9p l\u1eafp \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n v\u00e0 nhanh ch\u00f3ng &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 m\u1edf l\u1ea1i gi\u00fap b\u1ea3o tr\u00ec c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ng\u1ea7m d\u1ec5 d\u00e0ng h\u01a1n &nbsp;<\/p>\n\n\n\n<p>T\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u tr\u00e1m kh\u00e1c nhau cho c\u00e1c lo\u1ea1i m\u1eb7t \u0111\u1ea5t kh\u00e1c nhau &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u1ea7n k\u1ebft lu\u1eadn &nbsp;<\/h3>\n\n\n\n<p>V\u1edbi \u0111\u1eb7c t\u00ednh v\u00f4 h\u00ecnh, an to\u00e0n, tin c\u1eady, b\u1ec1n b\u1ec9 v\u00e0 thi\u1ebft th\u1ef1c, n\u1eafp h\u1ed1 ga \u00e2m t\u01b0\u1eddng 300x300 c\u1ee7a LuZhongBao l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho vi\u1ec7c b\u1ea3o v\u1ec7 h\u1ed1 ga m\u1eb7t \u0111\u1ea5t t\u1ea1i c\u00e1c \u0111\u1ecba \u0111i\u1ec3m cao c\u1ea5p. S\u1ea3n ph\u1ea9m \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c d\u1ef1 \u00e1n tr\u1ecdng \u0111i\u1ec3m nh\u01b0 S\u00e2n bay Qu\u1ed1c t\u1ebf \u0110\u1ea1i H\u01b0ng B\u1eafc Kinh v\u00e0 S\u00e2n bay Ph\u1ed1 \u0110\u00f4ng Th\u01b0\u1ee3ng H\u1ea3i, mang \u0111\u1ebfn gi\u1ea3i ph\u00e1p m\u1eb7t \u0111\u1ea5t ho\u00e0n h\u1ea3o cho c\u00f4ng tr\u00ecnh \u0111\u00f4 th\u1ecb hi\u1ec7n \u0111\u1ea1i v\u1edbi hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i v\u00e0 thi\u1ebft k\u1ebf th\u1ea9m m\u1ef9.<\/p>","protected":false},"excerpt":{"rendered":"<p>Thi\u1ebft k\u1ebf ho\u00e0n h\u1ea3o C\u1ea5u tr\u00fac l\u00f5m cung c\u1ea5p \u0111\u1ed9 s\u00e2u l\u1ea5p \u0111\u1ea7y 15-20mm \u0111\u1ec3 nh\u00fang li\u1ec1n m\u1ea1ch v\u00e0o nh\u1ef1a \u0111\u01b0\u1eddng ho\u1eb7c b\u00ea t\u00f4ng Ch\u00eanh l\u1ec7ch chi\u1ec1u cao so v\u1edbi m\u1eb7t \u0111\u1ea5t xung quanh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong ph\u1ea1m vi \u00b10,5mm, \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn th\u1ef1c s\u1ef1 kh\u00f4ng c\u00f3 r\u00e0o c\u1ea3n K\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t \u0111\u1eb7c bi\u1ec7t gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a v\u1eadt li\u1ec7u l\u1ea5p \u0111\u1ea7y v\u00e0 ng\u0103n ng\u1eeba bong tr\u00f3c Hi\u1ec7u su\u1ea5t ch\u1ecbu t\u1ea3i v\u01b0\u1ee3t tr\u1ed9i Gang d\u1ebbo QT500-7 c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o \u2265500MPa, gi\u1edbi h\u1ea1n ch\u1ea3y [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,5],"tags":[114,63],"class_list":["post-1159","post","type-post","status-publish","format-standard","hentry","category-products","category-stainless-steel-products","tag-luzhongbao","tag-manhole-cover"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LuZhongBao 300\u00d7300 Recessed Manhole Cover - Manhole Cover - Hubei Luzhongbao Metal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"LuZhongBao 300\u00d7300 recessed manhole cover is a precision engineering product specifically designed for venues requiring extremely high ground flatness. Manufactured from QT500-7 high-strength ductile iron and strictly compliant with GB\/T 23858 national standards, its 300mm\u00d7300mm square size perfectly adapts to various small inspection manholes. The unique recessed design allows the cover to be filled with asphalt, concrete, or flooring materials after installation, achieving complete flushness with the surrounding ground and thoroughly\u00a0eliminating tripping hazards. This design is particularly suitable for airport terminals, high-end commercial plazas, pedestrian walkways, and other venues demanding exceptional ground flatness and aesthetics, providing reliable manhole protection while maximizing ground continuity and visual integrity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-am-luzhongbao-300x300\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LuZhongBao 300\u00d7300 Recessed Manhole Cover - Manhole Cover - Hubei Luzhongbao Metal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"LuZhongBao 300\u00d7300 recessed manhole cover is a precision engineering product specifically designed for venues requiring extremely high ground flatness. Manufactured from QT500-7 high-strength ductile iron and strictly compliant with GB\/T 23858 national standards, its 300mm\u00d7300mm square size perfectly adapts to various small inspection manholes. The unique recessed design allows the cover to be filled with asphalt, concrete, or flooring materials after installation, achieving complete flushness with the surrounding ground and thoroughly\u00a0eliminating tripping hazards. This design is particularly suitable for airport terminals, high-end commercial plazas, pedestrian walkways, and other venues demanding exceptional ground flatness and aesthetics, providing reliable manhole protection while maximizing ground continuity and visual integrity.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-am-luzhongbao-300x300\/\" \/>\n<meta property=\"og:site_name\" content=\"Hubei Luzhongbao Metal Products Co., Ltd\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-11T05:54:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-11T05:54:38+00:00\" \/>\n<meta name=\"author\" content=\"luzhongbao\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Levi_Luzhongbao\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"luzhongbao\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/luzhongbao-300x300-recessed-manhole-cover\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/luzhongbao-300x300-recessed-manhole-cover\\\/\"},\"author\":{\"name\":\"luzhongbao\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#\\\/schema\\\/person\\\/e22c08e75b650a9d574f5aeabb3db2cf\"},\"headline\":\"LuZhongBao 300\u00d7300 Recessed Manhole Cover\",\"datePublished\":\"2025-09-11T05:54:37+00:00\",\"dateModified\":\"2025-09-11T05:54:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/luzhongbao-300x300-recessed-manhole-cover\\\/\"},\"wordCount\":240,\"commentCount\":0,\"keywords\":[\"Luzhongbao\",\"Manhole Cover\"],\"articleSection\":[\"Products\",\"Stainless Steel Products\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/luzhongbao.com\\\/luzhongbao-300x300-recessed-manhole-cover\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/luzhongbao-300x300-recessed-manhole-cover\\\/\",\"url\":\"https:\\\/\\\/luzhongbao.com\\\/luzhongbao-300x300-recessed-manhole-cover\\\/\",\"name\":\"LuZhongBao 300\u00d7300 Recessed Manhole Cover - Manhole Cover - Hubei Luzhongbao Metal Products Co., Ltd\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#website\"},\"datePublished\":\"2025-09-11T05:54:37+00:00\",\"dateModified\":\"2025-09-11T05:54:38+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#\\\/schema\\\/person\\\/e22c08e75b650a9d574f5aeabb3db2cf\"},\"description\":\"LuZhongBao 300\u00d7300 recessed manhole cover is a precision engineering product specifically designed for venues requiring extremely high ground flatness. 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