Beijing H Lasheng Cov Khoom Hlau Co., Ltd. Lub tuam txhab tau tsim ntev hauv kev ua haujlwm (Tungsten, Niobalum, Nickel, Cickal, Ferro Alloys thiab Rauv taws teeb meem). Lub ntsiab tsim thiab kev tsim: Tupsten thiab Molybdenum cov khoom, tantalum hmoov thiab niobalum hmoov, npib tsib xee, renium thiab lwm yam khoom siv tsis yog cov hlau uas tsis muaj hlau.
Lub Sijhawm Post: Feb-03-2022