Xov xwm
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Classification txoj kev rau cov hniav nyiaj hniav kub ua khoom
Nws tuaj yeem muab faib ua: 1. Muab faib los ntawm kev ua haujlwm (1) Kev sib tsoo tshuab - khoom siv rau polishing thiab carving gemstones. (2) Ntug txiav tshuab - ib qho cuab yeej siv los txiav cov npoo ntawm pob zeb. (3) Cov cuab yeej Embedding - lub tshuab siv los ntxig cov pob zeb diamond thiab lwm yam xim pob zeb ...Nyeem ntxiv -
Dab tsi yog cov khoom siv ua cov hniav nyiaj hniav kub muaj?
(1) Polishing machinery: suav nrog ntau hom kev sib tsoo log polishing tshuab thiab disc polishing electroplating tshuab. (2) Tu tshuab (xws li sandblasting): nruab nrog lub tshuab ntxhua khaub ncaws ultrasonic; Jet air flow scrubber, thiab lwm yam. (3) Tshuab ziab khaub ncaws: Muaj ob qho ...Nyeem ntxiv -
Qhov txawv ntawm forging thiab casting?
Forging yog cov txheej txheem ntawm kev ua cov hlau tsis tshua muaj hlau ingots (billets) rau hauv qhov chaw ntxhib nrog cov duab thiab loj siv cov txheej txheem xws li hlau melting, dov, lossis dov. Castings yog ib lo lus dav dav rau cov khoom siv cam khwb cia siv cov xuab zeb pwm lossis lwm txoj hauv kev; Nws yog ib yam khoom ua los ntawm ntau yam ...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm Zuojin 999 thiab Zuojin 9999?
Zujin 999 thiab Zujin 9999 yog ob yam khoom siv kub purity sib txawv. Qhov sib txawv ntawm lawv yog nyob rau hauv purity ntawm kub. 1. Zujin 999: Zujin 999 hais txog qhov purity ntawm cov ntaub ntawv kub ncav cuag 99.9% (tseem hu ua 999 qhov chaw ib txhiab). Qhov no sawv cev tias cov khoom kub muaj tsawg heev ...Nyeem ntxiv -
Hongkong jewellery thiab lub pov haum exhibition
Lub 2023 Hong Kong Jewellery Gem Fair, tsim los ntawm Infirman Exhibition Group, yuav muaj ob zaug ib xyoos rau 16 Cuaj hlis 2022, lub exhibition yuav muaj nyob rau ntawm Hong Kong Convention thiab Exhibition Center, 1 Expo Drive, Wan Chai, Taiwan, Suav teb. Qhov chaw ua yeeb yam yuav tsum ncav cuag 135,000 square ...Nyeem ntxiv -
Kev lag luam hlau thiab cov khoom siv hlau tshiab: Txuas ntxiv mus saib kub
Base hlau: RRR txiav hauv tsev txhawb kev ntseeg siab, thiab tus nqi ntawm cov hlau hauv paus yuav tsum hloov pauv mus. Raws li Cua, txij lub Cuaj Hlis 11 txog Lub Cuaj Hli 15, LME tooj liab, txhuas, txhuas, zinc, tin nqi hloov los ntawm 2.17%, 0.69%, 1.71%, 3.07%, 1.45%. Txawv teb chaws, raws li Cua, Teb Chaws Asmeskas ...Nyeem ntxiv -
Dab tsi yog cov txheej txheem kub rho tawm
1. Kev sib cais ntawm nitric acid kom rho tawm kub qhov kev sib cais ntawm nitric acid yuav siv tau, concentrated nitric acid rau hauv beakers, yuav tsum tau rho kub rau hauv cov hlau mus rau hauv beakers. Lub Beaker ces muab tso rau ntawm lub beaker tuav thiab rhuab nrog ib tug cawv teeb los tsim flaky kub. 2. Aqua reg...Nyeem ntxiv -
Txais tos tuaj xyuas Hasung ntawm Hongkong Jewellery Exhibition thaum Lub Cuaj Hli 20th-24th.
Hong Kong, lub ntiaj teb kev lag luam tseem ceeb tshaj plaws rau cov hniav nyiaj hniav kub, yog qhov chaw nres nkoj dawb uas tsis muaj lub luag haujlwm lossis kev txwv txwv rau cov khoom lag luam zoo nkauj lossis cov ntaub ntawv muaj feem xyuam. Nws kuj yog qhov zoo tshaj plaws springboard los ntawm cov tub lag luam thoob ntiaj teb tuaj yeem tawm mus rau kev lag luam booming ntawm Tuam Tshoj mainland thiab th ...Nyeem ntxiv -
Yuav ua li cas kub nuggets?
Cov txheej txheem ntau lawm ntawm kub nuggets feem ntau muab faib ua cov kauj ruam hauv qab no: 1. Kev xaiv cov khoom siv: Kub nuggets feem ntau yog ua los ntawm kub nrog purity siab dua 99%. Thaum xaiv cov khoom siv, kev tswj xyuas nruj yog xav tau rau lawv qhov zoo thiab purity. 2. Melting: Ntxiv cov khoom xaiv hauv ...Nyeem ntxiv -
Txais tos tuaj xyuas Hasung hauv 2023 Bangkok Jewelry and Gem Fair, Thaib teb
Hasung yuav koom nrog 2023 Bangkok Jewelry and Gem Fair, Thaib teb thaum Lub Cuaj Hli 6 - 10 Lub Cuaj Hli 2023. Txog Kev Ncaj Ncees: Tus Txhawb Nqa: Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam Thoob Ntiaj Teb Exhibition cheeb tsam: 25,020.00 square meters Tus naj npawb ntawm ...Nyeem ntxiv -
Precious Hlau Casting Technology
Precious hlau casting tshuab tshuab yog txheej txheem cua sov thiab yaj cov khoom siv hlau zoo xws li kub, nyiaj, platinum, palladium, thiab lwm yam, ua kua hauv daim ntawv thiab muab tso rau hauv pwm lossis lwm yam ntaub ntawv los tsim ntau yam khoom. Cov tshuab no tau siv dav hauv kev tsim cov hniav nyiaj hniav kub, co ...Nyeem ntxiv -
2023 Bangkok Jewelry and Gem Fair, Thaib teb
2023 Bangkok Jewelry and Gem Fair-Exhibition Introduction40040Exhibition Heat Sponsor: Department of International Trade Promotion Exhibition area: 25,020.00 square meters Number of exhibitors: 576 Number of qhua: 28,980 Lub sij hawm tuav: 2 zaug hauv ib xyoos Bangkok Gems & ...Nyeem ntxiv
