-
1.Cov nqi kaw yav dhau los hauv Mainstream Markets Hnub kawg ntawm kev ua lag luam, butyl acetate cov nqi tseem nyob ruaj khov nyob rau hauv feem ntau cov cheeb tsam, nrog kev poob qis hauv qee qhov chaw. Kev thov qis qis qis qis, ua rau qee lub tsev tsim khoom txo lawv cov nqi muab. Txawm li cas los xij, vim tam sim no cov nqi tsim khoom siab, mos ...Nyeem ntxiv»
-
Raws li ib qho ntawm cov khoom siv tshuaj loj tshaj plaws nyob rau hauv Shandong xeev, Suav teb, peb tau nyob rau hauv lub forefront ntawm kev muab cov khoom zoo tshuaj lom neeg txij li thaum 2000. Peb tshwj xeeb hauv kev muab tshuaj raw cov ntaub ntawv thiab cov khoom tseem ceeb intermediates tau tso cai rau peb ua hauj lwm rau ntau yam kev lag luam. Ntawm ...Nyeem ntxiv»