Gi\u00e1 kim lo\u1ea1i hi\u1ebfm \u0111ang t\u0103ng. Vonfram, m\u1ed9t v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong “c\u00f4ng c\u1ee5 si\u00eau c\u1ee9ng” (d\u00f9ng \u0111\u1ec3 gia c\u00f4ng \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y bay), \u0111\u00e3 t\u0103ng gi\u00e1 45% k\u1ec3 t\u1eeb \u0111\u1ea7u n\u0103m, trong khi Gallium, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ch\u1ea5t b\u00e1n d\u1eabn, \u0111\u00e3 t\u0103ng 44%. C\u1ea3 hai \u0111\u1ec1u \u0111\u1ea1t m\u1ee9c cao nh\u1ea5t trong 14 n\u0103m. Vi\u1ec7c t\u0103ng gi\u00e1 n\u00e0y l\u00e0 do c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u c\u1ee7a Trung Qu\u1ed1c, v\u00e0 c\u00e1c c\u00f4ng ty Nh\u1eadt B\u1ea3n \u0111ang n\u1ed7 l\u1ef1c \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00ecm ngu\u1ed3n cung \u1ee9ng t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ngo\u00e0i Trung Qu\u1ed1c.<\/p>\n
Theo d\u1eef li\u1ec7u t\u1eeb c\u00f4ng ty nghi\u00ean c\u1ee9u Argus Media c\u1ee7a Anh, gi\u00e1 giao ngay (h\u1ee3p \u0111\u1ed3ng ngay l\u1eadp t\u1ee9c) c\u1ee7a amoni paratungstate (APT), m\u1ed9t nguy\u00ean li\u1ec7u th\u00f4 cho c\u00e1c s\u1ea3n ph\u1ea9m vonfram v\u00e0 l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o gi\u00e1, t\u1ea1i ch\u00e2u \u00c2u l\u00e0 kho\u1ea3ng 477,5 \u0111\u00f4 la M\u1ef9\/10 kg t\u00ednh \u0111\u1ebfn ng\u00e0y 22 th\u00e1ng 7, t\u0103ng kho\u1ea3ng 150 \u0111\u00f4 la M\u1ef9 so v\u1edbi \u0111\u1ea7u n\u0103m. Gi\u00e1 chu\u1ea9n c\u1ee7a gali t\u1ea1i th\u1ecb tr\u01b0\u1eddng ch\u00e2u \u00c2u v\u00e0 M\u1ef9 v\u00e0o kho\u1ea3ng 827,5 \u0111\u00f4 la M\u1ef9\/kg t\u00ednh \u0111\u1ebfn ng\u00e0y 22 th\u00e1ng 7, t\u0103ng kho\u1ea3ng 250 \u0111\u00f4 la M\u1ef9 so v\u1edbi \u0111\u1ea7u n\u0103m.<\/p>\n
Nh\u00ecn l\u1ea1i, gi\u00e1 vonfram v\u00e0 gali t\u0103ng v\u1ecdt v\u00e0o kho\u1ea3ng n\u0103m 2011. V\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3, Trung Qu\u1ed1c \u0111\u00e3 th\u1eaft ch\u1eb7t ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u \u0111\u1ea5t hi\u1ebfm sang Nh\u1eadt B\u1ea3n do v\u1ee5 va ch\u1ea1m t\u00e0u c\u00e1 Trung Qu\u1ed1c n\u0103m 2010. Xu\u1ea5t kh\u1ea9u c\u00e1c kim lo\u1ea1i hi\u1ebfm kh\u00e1c c\u0169ng gi\u1ea3m, d\u1eabn \u0111\u1ebfn gi\u00e1 qu\u1ed1c t\u1ebf t\u0103ng m\u1ea1nh. S\u1ef1 gia t\u0103ng gi\u00e1 n\u00e0y c\u0169ng l\u00e0 do c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u c\u1ee7a Trung Qu\u1ed1c.<\/p>\n
Trung Qu\u1ed1c s\u1ebd th\u1eaft ch\u1eb7t ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u c\u00e1c kho\u00e1ng s\u1ea3n ch\u1ee7 ch\u1ed1t b\u1eaft \u0111\u1ea7u t\u1eeb n\u0103m 2023, v\u1edbi vonfram tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau t\u1eeb th\u00e1ng 2 n\u0103m 2025. D\u1eef li\u1ec7u h\u1ea3i quan Trung Qu\u1ed1c cho th\u1ea5y xu\u1ea5t kh\u1ea9u amoni paratungstate (APT), m\u1ed9t nguy\u00ean li\u1ec7u th\u00f4, b\u1eb1ng 0 t\u1eeb th\u00e1ng 3 \u0111\u1ebfn th\u00e1ng 5.<\/p>\n
Yusuke Takiishi c\u1ee7a Advanced Material Japan, m\u1ed9t c\u00f4ng ty th\u01b0\u01a1ng m\u1ea1i chuy\u00ean ng\u00e0nh, cho bi\u1ebft gi\u00e1 vonfram t\u0103ng cao \u0111\u00e3 bu\u1ed9c c\u00e1c c\u00f4ng ty Nh\u1eadt B\u1ea3n ph\u1ea3i mua v\u1edbi gi\u00e1 cao h\u01a1n t\u1eeb c\u00e1c n\u01b0\u1edbc s\u1ea3n xu\u1ea5t kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 Vi\u1ec7t Nam.<\/p>\n
Gallium b\u1eaft \u0111\u1ea7u ch\u1ecbu s\u1ef1 ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u c\u1ee7a Trung Qu\u1ed1c t\u1eeb th\u00e1ng 8 n\u0103m 2023, v\u00e0 xu\u1ea5t kh\u1ea9u gi\u1ea3m xu\u1ed1ng m\u1ee9c 0 v\u00e0o th\u00e1ng 5 n\u0103m 2025. Xu\u1ea5t kh\u1ea9u v\u1eabn ch\u01b0a ph\u1ee5c h\u1ed3i ho\u00e0n to\u00e0n v\u00e0o th\u00e1ng 6. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t linh ki\u1ec7n b\u00e1n d\u1eabn s\u1eed d\u1ee5ng gallium cho bi\u1ebft h\u1ecd \u0111ang qu\u1ea3n l\u00fd h\u00e0ng t\u1ed3n kho v\u00e0 “t\u1ea1m th\u1eddi kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng”. H\u1ecd c\u0169ng tuy\u00ean b\u1ed1 \u0111ang xem x\u00e9t c\u00e1c ph\u01b0\u01a1ng \u00e1n t\u00ecm ngu\u1ed3n cung \u1ee9ng gallium \u0111\u1ed9c l\u1eadp v\u1edbi Trung Qu\u1ed1c, qua \u0111\u00f3 n\u00e2ng cao c\u1ea3nh gi\u00e1c.<\/p>\n
Trung Qu\u1ed1c ki\u1ec3m so\u00e1t 60% s\u1ea3n l\u01b0\u1ee3ng antimon to\u00e0n c\u1ea7u, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ch\u1ea5t ch\u1ed1ng ch\u00e1y. Antimon \u0111\u00e3 ch\u1ecbu s\u1ef1 ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u c\u1ee7a Trung Qu\u1ed1c k\u1ec3 t\u1eeb th\u00e1ng 9 n\u0103m 2024. M\u1eb7c d\u00f9 xu\u1ea5t kh\u1ea9u \u0111\u00e3 c\u00f3 d\u1ea5u hi\u1ec7u ph\u1ee5c h\u1ed3i k\u1ec3 t\u1eeb cu\u1ed1i n\u0103m 2024, nh\u01b0ng ngu\u1ed3n cung g\u1ea7n \u0111\u00e2y l\u1ea1i gi\u1ea3m tr\u1edf l\u1ea1i, gi\u1ea3m h\u01a1n 90% so v\u1edbi c\u00f9ng k\u1ef3 n\u0103m tr\u01b0\u1edbc v\u00e0o th\u00e1ng 6 n\u0103m 2025.<\/p>\n
Vi\u1ec7c Trung Qu\u1ed1c si\u1ebft ch\u1eb7t ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u xu\u1ea5t ph\u00e1t t\u1eeb cu\u1ed9c chi\u1ebfn th\u01b0\u01a1ng m\u1ea1i M\u1ef9-Trung \u0111ang di\u1ec5n ra v\u1ec1 v\u1ea5n \u0111\u1ec1 thu\u1ebf quan. V\u00e0o th\u00e1ng 4 n\u0103m 2025, Trung Qu\u1ed1c \u0111\u00e3 \u00e1p \u0111\u1eb7t ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u \u0111\u1ea5t hi\u1ebfm, m\u1ed9t th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a linh ki\u1ec7n xe \u0111i\u1ec7n (EV) thu\u1ea7n t\u00fay, nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 v\u1edbi M\u1ef9. Yoshikiyo Shimamine, m\u1ed9t nh\u00e0 nghi\u00ean c\u1ee9u c\u1ea5p cao t\u1ea1i Vi\u1ec7n Nghi\u00ean c\u1ee9u Dai-ichi Life, nh\u1eadn \u0111\u1ecbnh: “Vi\u1ec7c cho r\u1eb1ng vi\u1ec7c ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u c\u00e1c kho\u00e1ng s\u1ea3n quan tr\u1ecdng kh\u00e1c ngo\u00e0i \u0111\u1ea5t hi\u1ebfm s\u1ebd \u0111\u01b0\u1ee3c th\u1eaft ch\u1eb7t tr\u1edf l\u1ea1i nh\u01b0 m\u1ed9t \u0111\u1ed9ng th\u00e1i tr\u1ea3 \u0111\u0169a M\u1ef9 l\u00e0 \u0111i\u1ec1u d\u1ec5 hi\u1ec3u.”<\/p>\n
Sau c\u00e1c cu\u1ed9c tham v\u1ea5n c\u1ea5p b\u1ed9 tr\u01b0\u1edfng M\u1ef9-Trung h\u1ed3i th\u00e1ng 6, Trung Qu\u1ed1c d\u1ef1 ki\u1ebfn s\u1ebd n\u1edbi l\u1ecfng ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u \u0111\u1ea5t hi\u1ebfm. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi tin r\u1eb1ng vi\u1ec7c ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u c\u00e1c kho\u00e1ng s\u1ea3n quan tr\u1ecdng kh\u00e1c ngo\u00e0i \u0111\u1ea5t hi\u1ebfm c\u0169ng s\u1ebd d\u1ea7n \u0111\u01b0\u1ee3c n\u1edbi l\u1ecfng. Tuy nhi\u00ean, v\u1edbi nh\u1eefng c\u0103ng th\u1eb3ng \u0111ang di\u1ec5n ra v\u1edbi M\u1ef9, c\u00f3 nguy c\u01a1 kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn r\u1eb1ng Trung Qu\u1ed1c s\u1ebd m\u1ed9t l\u1ea7n n\u1eefa s\u1eed d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t xu\u1ea5t kh\u1ea9u nh\u01b0 m\u1ed9t con b\u00e0i m\u1eb7c c\u1ea3.<\/p>\n","protected":false},"excerpt":{"rendered":"
Gi\u00e1 kim lo\u1ea1i hi\u1ebfm \u0111ang t\u0103ng. Vonfram, m\u1ed9t v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong “c\u00f4ng c\u1ee5 si\u00eau c\u1ee9ng” (d\u00f9ng \u0111\u1ec3… Read More »<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.ibnews.com\/vn\/wp-json\/wp\/v2\/posts\/205"}],"collection":[{"href":"https:\/\/www.ibnews.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ibnews.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ibnews.com\/vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ibnews.com\/vn\/wp-json\/wp\/v2\/comments?post=205"}],"version-history":[{"count":1,"href":"https:\/\/www.ibnews.com\/vn\/wp-json\/wp\/v2\/posts\/205\/revisions"}],"predecessor-version":[{"id":206,"href":"https:\/\/www.ibnews.com\/vn\/wp-json\/wp\/v2\/posts\/205\/revisions\/206"}],"wp:attachment":[{"href":"https:\/\/www.ibnews.com\/vn\/wp-json\/wp\/v2\/media?parent=205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ibnews.com\/vn\/wp-json\/wp\/v2\/categories?post=205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ibnews.com\/vn\/wp-json\/wp\/v2\/tags?post=205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}