{"id":1160,"date":"2026-09-28T03:39:52","date_gmt":"2026-09-28T03:39:52","guid":{"rendered":"https:\/\/wdlvalve.com\/?p=1160"},"modified":"2026-09-28T03:39:52","modified_gmt":"2026-09-28T03:39:52","slug":"huong-dan-ve-van-bi-sieu-lanh-co-loi-vao-ben-danh-cho-lng","status":"publish","type":"post","link":"https:\/\/wdlvalve.com\/vi\/huong-dan-ve-van-bi-sieu-lanh-co-loi-vao-ben-danh-cho-lng\/","title":{"rendered":"Van bi si\u00eau l\u1ea1nh c\u00f3 l\u1ed1i v\u00e0o b\u00ean d\u00f9ng cho h\u1ec7 th\u1ed1ng LNG: H\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf v\u00e0 l\u1ef1a ch\u1ecdn"},"content":{"rendered":"
\n
\n

A Van bi si\u00eau l\u1ea1nh c\u00f3 l\u1ed1i v\u00e0o b\u00ean h\u00f4ng d\u00f9ng cho h\u1ec7 th\u1ed1ng LNG<\/strong>
\ns\u1eed d\u1ee5ng th\u00e2n g\u1ed3m hai ho\u1eb7c ba ph\u1ea7n, v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 th\u1ea5p
\nv\u00e0 m\u1ed9t tr\u1ee5c k\u00e9o d\u00e0i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng c\u00e1ch ly \u0111\u00e1ng tin c\u1eady ch\u1ec9 v\u1edbi m\u1ed9t ph\u1ea7n t\u01b0 v\u00f2ng xoay
\n\u1edf nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng t\u1edbi \u2212196\u00b0C. Thi\u1ebft k\u1ebf gh\u1ebf ph\u00f9 h\u1ee3p, khoang c\u01a1 th\u1ec3
\nVi\u1ec7c th\u1eed nghi\u1ec7m gi\u1ea3m \u00e1p v\u00e0 th\u1eed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft v\u00ec kh\u00ed LNG b\u1ecb k\u1eb9t
\nn\u00f3 gi\u00e3n n\u1edf nhanh ch\u00f3ng khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng.<\/p>\n<\/header>\n


\n\"Van
\n<\/a>
Van bi si\u00eau l\u1ea1nh WDL ki\u1ec3u l\u1eafp b\u00ean d\u00e0nh cho LNG v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p
\nc\u00e1ch ly quy tr\u00ecnh.<\/figcaption><\/figure>\n
\n

Van bi si\u00eau l\u1ea1nh c\u00f3 l\u1ed1i v\u00e0o b\u00ean l\u00e0 g\u00ec?<\/h2>\n

Van bi si\u00eau l\u1ea1nh c\u00f3 l\u1ed1i v\u00e0o b\u00ean \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p qua th\u00e2n van
\nc\u00e1c \u0111o\u1ea1n \u0111\u01b0\u1ee3c chia d\u1ecdc theo tr\u1ee5c \u0111\u01b0\u1eddng \u1ed1ng. C\u1ea5u tr\u00fac
\nc\u00f3 th\u1ec3 s\u1eed d\u1ee5ng hai ho\u1eb7c ba b\u1ed9 ph\u1eadn th\u00e2n ch\u00ednh. C\u00e1ch b\u1ed1 tr\u00ed n\u00e0y mang l\u1ea1i
\ns\u1ef1 k\u1ebft h\u1ee3p thi\u1ebft th\u1ef1c gi\u1eefa c\u00f4ng ngh\u1ec7 ch\u1ee9a \u00e1p su\u1ea5t v\u00e0 s\u1ea3n xu\u1ea5t
\ns\u1ef1 linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn qu\u1ea3 b\u00f3ng c\u0169ng nh\u01b0 ch\u1ed7 ng\u1ed3i trong su\u1ed1t bu\u1ed5i h\u1ed9i th\u1ea3o
\nb\u1ea3o tr\u00ec.<\/p>\n

Th\u00e2n k\u00e9o d\u00e0i gi\u00fap \u0111\u1eb7t b\u1ed9 \u0111\u1ec7m, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u1edf ph\u00eda tr\u00ean
\nkhu v\u1ef1c l\u1ea1nh v\u00e0 l\u1edbp c\u00e1ch nhi\u1ec7t \u1ed1ng. \u0110i\u1ec1u n\u00e0y gi\u00fap h\u1ea1n ch\u1ebf s\u1ef1 truy\u1ec1n nhi\u1ec7t
\nh\u01b0\u1edbng t\u1edbi qu\u00e1 tr\u00ecnh n\u00e0y v\u00e0 gi\u00fap l\u1edbp \u0111\u1ec7m th\u00e2n van duy tr\u00ec \u1edf m\u1ee9c
\nnhi\u1ec7t \u0111\u1ed9 m\u00e0 t\u1ea1i \u0111\u00f3 n\u00f3 v\u1eabn c\u00f3 th\u1ec3 duy tr\u00ec kh\u1ea3 n\u0103ng b\u1ecbt k\u00edn hi\u1ec7u qu\u1ea3.<\/p>\n<\/section>\n

\n

T\u1ea1i sao d\u1ecbch v\u1ee5 LNG l\u1ea1i c\u1ea7n m\u1ed9t thi\u1ebft k\u1ebf van \u0111\u1eb7c bi\u1ec7t?<\/h2>\n

LNG th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng \u2212162\u00b0C. \u1ede nhi\u1ec7t \u0111\u1ed9 n\u00e0y,
\nc\u00e1c v\u1eadt li\u1ec7u van, gio\u0103ng v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 co l\u1ea1i,
\ntr\u1edf n\u00ean c\u1ee9ng h\u01a1n ho\u1eb7c m\u1ea5t \u0111i \u0111\u1ed9 d\u1ebbo dai. M\u1ed9t van ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng
\nnhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 t\u1ea1i v\u1ecb tr\u00ed gh\u1ebf, m\u00f4-men xo\u1eafn qu\u00e1 m\u1ee9c ho\u1eb7c
\nc\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 gio\u0103ng th\u00e2n van sau khi l\u00e0m m\u00e1t.<\/p>\n

Do \u0111\u00f3, van LNG ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p ph\u1ea3i t\u00ednh \u0111\u1ebfn y\u1ebfu t\u1ed1 nhi\u1ec7t
\ns\u1ef1 co ng\u00f3t, \u0111\u1ed9 d\u1ebbo dai c\u1ee7a v\u1eadt li\u1ec7u \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, truy\u1ec1n nhi\u1ec7t,
\n\u00e1p su\u1ea5t trong khoang c\u01a1 th\u1ec3 v\u00e0 c\u00e1c chu k\u1ef3 l\u00e0m l\u1ea1nh v\u00e0 l\u00e0m \u1ea5m l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.
\nThi\u1ebft k\u1ebf cu\u1ed1i c\u00f9ng c\u1ea7n d\u1ef1a tr\u00ean thi\u1ebft k\u1ebf t\u1ed1i thi\u1ec3u
\nnhi\u1ec7t \u0111\u1ed9 thay v\u00ec ch\u1ec9 nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n<\/section>\n

\n

C\u1ea5u tr\u00fac c\u1eeda v\u00e0o b\u00ean h\u00f4ng hai m\u1ea3nh so v\u1edbi ba m\u1ea3nh<\/h2>\n
\n\n\n\n\n\n\n\n\n
\u0110i\u1ec3m l\u1ef1a ch\u1ecdn<\/th>\nTh\u00e2n xe hai m\u1ea3nh<\/th>\nTh\u00e2n xe ba m\u1ea3nh<\/th>\n<\/tr>\n<\/thead>\n
X\u00e2y d\u1ef1ng<\/td>\nTh\u00e2n ch\u00ednh k\u00e8m m\u1ed9t b\u1ed9 n\u1ed1i th\u00e2n<\/td>\nTh\u00e2n ch\u00ednh c\u00f3 hai \u0111\u1ea7u n\u1ed1i<\/td>\n<\/tr>\n
C\u00e1c kh\u1edbp tr\u00ean c\u01a1 th\u1ec3<\/td>\nS\u1ed1 l\u01b0\u1ee3ng m\u1ed1i n\u1ed1i th\u00e2n chia nh\u1ecf \u00edt h\u01a1n<\/td>\nT\u00ednh linh ho\u1ea1t cao h\u01a1n trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p<\/td>\n<\/tr>\n
B\u1ea3o tr\u00ec<\/td>\nTh\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng sau khi th\u00e1o d\u1ee1 ho\u1eb7c khi \u0111\u01b0a v\u00e0o x\u01b0\u1edfng s\u1eeda ch\u1eefa<\/td>\nPh\u1ea7n gi\u1eefa c\u00f3 th\u1ec3 th\u00e1o ra d\u1ec5 d\u00e0ng h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p
\nb\u1ea3n v\u1ebd b\u1ed1 tr\u00ed \u0111\u01b0\u1eddng \u1ed1ng<\/td>\n<\/tr>\n
Ti\u00eau ch\u00ed tuy\u1ec3n ch\u1ecdn<\/td>\n\u00c1p su\u1ea5t, k\u00edch th\u01b0\u1edbc, nguy c\u01a1 r\u00f2 r\u1ec9 v\u00e0 ti\u00eau chu\u1ea9n d\u1ef1 \u00e1n<\/td>\nChi\u1ebfn l\u01b0\u1ee3c b\u1ea3o tr\u00ec, b\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 ti\u00eau chu\u1ea9n d\u1ef1 \u00e1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng \u00e1n n\u00e0o t\u1ef1 \u0111\u1ed9ng l\u00e0 t\u1ed1t h\u01a1n cho m\u1ecdi d\u1ef1 \u00e1n LNG
\nd\u1ef1 \u00e1n. L\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc van v\u00e0 \u00e1p su\u1ea5t
\nlo\u1ea1i, t\u1ea3i tr\u1ecdng \u0111\u01b0\u1eddng \u1ed1ng, kh\u00f4ng gian b\u1ea3o tr\u00ec c\u00f3 s\u1eb5n, th\u1eed nghi\u1ec7m
\nc\u00e1c y\u00eau c\u1ea7u v\u00e0 chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o tr\u00ec c\u1ee7a ch\u1ee7 s\u1edf h\u1eefu.<\/p>\n<\/section>\n

\n

D\u00f2ng van bi si\u00eau l\u1ea1nh WDL ki\u1ec3u l\u1eafp b\u00ean h\u00f4ng<\/h2>\n

WDL Valve c\u00f4ng b\u1ed1 ph\u1ea1m vi tham chi\u1ebfu sau \u0111\u00e2y cho c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh
\n
\nVan bi si\u00eau l\u1ea1nh c\u00f3 l\u1ed1i v\u00e0o b\u00ean h\u00f4ng d\u00e0nh cho h\u1ec7 th\u1ed1ng LNG
\n<\/a>.
\nC\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 k\u00edch th\u01b0\u1edbc cu\u1ed1i c\u00f9ng ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn tr\u00ean b\u1ea3n thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t
\nb\u1ea3n v\u1ebd d\u1ef1 \u00e1n.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
M\u1eb7t h\u00e0ng<\/th>\nTh\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt WDL \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1<\/th>\n<\/tr>\n<\/thead>\n
Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc<\/td>\nDN25\u2013DN600 \/ NPS 1\u201324<\/td>\n<\/tr>\n
C\u1ea5u tr\u00fac th\u00e2n xe<\/td>\nTh\u00e2n xe hai m\u1ea3nh ho\u1eb7c ba m\u1ea3nh c\u00f3 c\u1eeda v\u00e0o b\u00ean h\u00f4ng<\/td>\n<\/tr>\n
K\u1ebft n\u1ed1i \u0111\u1ea7u cu\u1ed1i<\/td>\nLo\u1ea1i c\u00f3 m\u1eb7t b\u00edch, ren, h\u00e0n \u1ed1ng ho\u1eb7c h\u00e0n \u0111\u1ed1i \u0111\u1ea7u, t\u00f9y thu\u1ed9c v\u00e0o
\nK\u00edch th\u01b0\u1edbc van v\u00e0 y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n<\/td>\n<\/tr>\n
Tr\u1ef1c ti\u1ebfp<\/td>\nTi\u00eau chu\u1ea9n ASME B16.10 ho\u1eb7c ti\u00eau chu\u1ea9n do d\u1ef1 \u00e1n quy \u0111\u1ecbnh<\/td>\n<\/tr>\n
Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/td>\n\u2212196\u00b0C \u0111\u1ebfn +425\u00b0C, t\u00f9y thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u v\u00e0 l\u1ef1a ch\u1ecdn \u0111\u1ebf<\/td>\n<\/tr>\n
Th\u1eed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p<\/td>\nTi\u00eau chu\u1ea9n BS 6364 ho\u1eb7c c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m do d\u1ef1 \u00e1n quy \u0111\u1ecbnh<\/td>\n<\/tr>\n
Ho\u1ea1t \u0111\u1ed9ng<\/td>\nC\u1ea7n g\u1ea1t, h\u1ed9p s\u1ed1, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng kh\u00ed n\u00e9n ho\u1eb7c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n<\/td>\n<\/tr>\n
V\u1eadt li\u1ec7u th\u00e2n xe<\/td>\nCF8\/F304, CF8M\/F316, CF3\/F304L, CF3M\/F316L ho\u1eb7c lo\u1ea1i \u0111\u1eb7c bi\u1ec7t
\nt\u00e0i li\u1ec7u theo y\u00eau c\u1ea7u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
\"Van
C\u1ea5u tr\u00fac th\u00e2n k\u00e9o d\u00e0i gi\u00fap khu v\u1ef1c v\u1eadn h\u00e0nh n\u1eb1m cao h\u01a1n LNG
\nv\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t \u1ed1ng.<\/figcaption><\/figure>\n
\n

Nh\u1eefng chi ti\u1ebft thi\u1ebft k\u1ebf n\u00e0o l\u00e0 quan tr\u1ecdng nh\u1ea5t trong l\u0129nh v\u1ef1c d\u1ecbch v\u1ee5 LNG?<\/h2>\n

V\u1ecb tr\u00ed th\u00e2n k\u00e9o d\u00e0i v\u00e0 v\u1ecb tr\u00ed l\u1eafp \u0111\u1ec7m<\/h3>\n

Chi\u1ec1u d\u00e0i ph\u1ea7n n\u1ed1i ph\u1ea3i \u0111\u1ea3m b\u1ea3o l\u1edbp \u0111\u1ec7m n\u1eb1m ph\u00eda tr\u00ean l\u1edbp c\u00e1ch nhi\u1ec7t
\nv\u00e0 \u0111\u01b0\u1eddng gi\u1edbi h\u1ea1n s\u01b0\u01a1ng gi\u00e1 d\u1ef1 ki\u1ebfn. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea3o v\u1ec7 l\u1edbp \u0111\u1ec7m v\u00e0
\ncung c\u1ea5p \u0111\u1ee7 kh\u00f4ng gian cho b\u00e1nh xe \u0111i\u1ec1u khi\u1ec3n, h\u1ed9p s\u1ed1 ho\u1eb7c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng.<\/p>\n

\u0110\u1ed9 d\u1ebbo dai c\u1ee7a v\u1eadt li\u1ec7u \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/h3>\n

Th\u00e2n, tr\u1ee5c, qu\u1ea3 c\u1ea7u, c\u00e1c b\u1ed9 ph\u1eadn b\u1eaft v\u00edt v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu \u00e1p l\u1ef1c ph\u1ea3i
\nv\u1eabn ph\u00f9 h\u1ee3p \u1edf nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf t\u1ed1i thi\u1ec3u. V\u1eadt li\u1ec7u
\nC\u00e1c ch\u1ee9ng ch\u1ec9 v\u00e0 y\u00eau c\u1ea7u v\u1ec1 th\u1eed nghi\u1ec7m va \u0111\u1eadp c\u1ea7n \u0111\u01b0\u1ee3c n\u00eau r\u00f5 trong
\nk\u1ebf ho\u1ea1ch ki\u1ec3m tra.<\/p>\n

Ki\u1ec3m so\u00e1t s\u1ef1 co l\u1ea1i v\u00e0 r\u00f2 r\u1ec9 c\u1ee7a gh\u1ebf<\/h3>\n

C\u00e1c v\u1eadt li\u1ec7u l\u00e0m n\u00ean qu\u1ea3 b\u00f3ng, \u0111\u1ebf v\u00e0 v\u00f2ng \u0111\u1ec7m co l\u1ea1i v\u1edbi c\u00e1c t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau
\ntrong th\u1eddi gian l\u00e0m m\u00e1t. Thi\u1ebft k\u1ebf gh\u1ebf ph\u1ea3i \u0111\u1ea3m b\u1ea3o duy tr\u00ec s\u1ef1 ti\u1ebfp x\u00fac m\u00e0 kh\u00f4ng
\ng\u00e2y ra m\u00f4-men xo\u1eafn v\u1eadn h\u00e0nh qu\u00e1 m\u1ee9c.<\/p>\n

C\u1ea7n l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf gh\u1ebf m\u1ec1m v\u00e0 gh\u1ebf kim lo\u1ea1i d\u1ef1a tr\u00ean
\nnhi\u1ec7t \u0111\u1ed9, y\u00eau c\u1ea7u v\u1ec1 r\u00f2 r\u1ec9, t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng v\u00e0 ch\u1ea5t l\u1ecfng
\ns\u1ef1 s\u1ea1ch s\u1ebd.<\/p>\n

Gi\u1ea3m \u00e1p l\u1ef1c trong khoang c\u01a1 th\u1ec3<\/h3>\n

Kh\u00ed LNG b\u1ecb k\u1eb9t gi\u1eefa c\u00e1c gh\u1ebf \u0111\u00f3ng k\u00edn c\u00f3 th\u1ec3 gi\u00e3n n\u1edf khi h\u1ea5p th\u1ee5 nhi\u1ec7t.
\nVan n\u00e0y c\u1ea7n c\u00f3 m\u1ed9t c\u01a1 c\u1ea5u x\u1ea3 \u00e1p khoang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf chuy\u00ean bi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0
\nm\u1ed9t h\u01b0\u1edbng \u0111\u00f3ng van t\u1ef1 gi\u1ea3i \u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, nh\u1eb1m ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng kh\u00f4ng an to\u00e0n
\ns\u1ef1 gia t\u0103ng \u00e1p su\u1ea5t.<\/p>\n

C\u00e1c y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n ph\u00f2ng ch\u00e1y v\u00e0 ch\u1ed1ng t\u0129nh \u0111i\u1ec7n<\/h3>\n

LNG l\u00e0 ch\u1ea5t d\u1ec5 ch\u00e1y. C\u1ea7n \u0111\u1ea3m b\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y trong x\u00e2y d\u1ef1ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n
\nT\u00ednh li\u00ean t\u1ee5c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh t\u00f9y thu\u1ed9c v\u00e0o c\u00e1ch l\u1eafp \u0111\u1eb7t v\u00e0
\nti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng. Y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) c\u1ea7n n\u00eau r\u00f5
\nY\u00eau c\u1ea7u c\u00f3 b\u1eb1ng c\u1ea5p v\u00e0 ch\u1ee9ng ch\u1ec9.<\/p>\n<\/section>\n

\n

Van bi si\u00eau l\u1ea1nh c\u00f3 l\u1ed1i v\u00e0o b\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u?<\/h2>\n