lab-Gemstones cog yog dab tsi?
Lab-Gemstones loj hlob yog cog qoob loo nyob rau hauv kev tswj chaw soj ntsuam ib puag ncig uas simulate lub ntuj tej yam kev mob nyob rau hauv uas crystals tsim. Los ntawm kev siv lub siab thiab kub nrog rau cov kev tswj xyuas meej, cov khoom siv hluavtaws no tuaj yeem tsim tau nrog qhov pom tseeb thiab zoo.
Kev tsim khoom feem ntau siv cov txheej txheem xws li cov txheej txheem Czochralski, tsim nyob rau xyoo 1917, uas suav nrog kev kos duab ib leeg los ntawm cov khoom siv molten. Txoj hauv kev no yog siv los tsim ntau yam gemstones, suav nrog sapphire, ruby, thiab garnet hom xws li YAG thiab GGG. Kev nce qib hauv xyoo 1960 tau coj mus rau txoj kev loj hlob zoo li tus, tso cai rau cov pob zeb ua kom ncaj qha rau hauv cov duab tshwj xeeb los ntawm cov yaj. Qhov no tsis tsuas yog txo cov kev xav tau ntawm kev siv tshuab dav dav, tab sis kuj txuag cov ntaub ntawv thiab txo cov nqi tsim khoom.
Ib qho txiaj ntsig tseem ceeb ntawm cov txheej txheem cog qoob loo no yog lub peev xwm los saib xyuas thiab ntsuas thaum lub sijhawm loj hlob, ua kom muaj kev tswj xyuas zoo dua thiab ua rau muaj txiaj ntsig zoo dua. Tsis tas li ntawd, kev tsim khoom tau nrawm dua piv rau lub pov haum ntuj tsim, uas tuaj yeem siv sijhawm ntau pua xyoo.
Niaj hnub no, lab-Gemstones cog rau cov neeg siv khoom yog ob qho tib si pheej yig thiab muaj xim zoo nkauj thiab meej. Lawv qhov muaj nyob tau txhawb nqa kev tsim ntau yam ntawm cov hniav nyiaj hniav kub, ua cov pob zeb zoo nkauj tuaj yeem siv tau yam tsis muaj kev cia siab rau cov khoom tsis tshua muaj ntuj.
Khoom Paub meej
Khoom Specification
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Khoom npe |
HanYu Ntau Qhov Loj Loj Loj Loj Sunrise Xim Paparacha Gemstone Nrog AGL Certification |
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Daim ntawv pov thawj |
AGL Constitution Certified |
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Muaj Cov Duab |
Round, Oval, Cushion, Asscher, Emerald, Lub plawv |
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Lub sij hawm xa tuaj |
Hauv 48 teev yog tias hauv Tshuag |
Phau ntawv pov thawj
Txhua Phau Ntawv AGL suav nrog cov ntsiab lus no:
1.Gemstone Loj
2.Gemstone Hom
3.Gemstone Refractive Index
4.Gemstone Shape & Txiav
5.Gemstone Nyhav
6.Report Number&date (1 Gemstone --- 1 tooj)
Daim ntawv thov
Cov paparacha zoo nkauj no tau siv dav hauv cov hniav nyiaj hniav kub sterling, xws li rings, pendants, necklaces, bracelets, thiab ntau dua.
Shipping Method
Txheej txheem pob
Tuam txhab Profile
Peb yog lub khw muag khoom kim heev nrog 20 xyoo kev ua lag luam, peb tuaj yeem tsis tsuas yog muab ntau yam ntawm Loose Gemstone (ib qho me me ntawm cov gemstones ntuj thiab hluavtaws gemstones) ua thiab ntau lawm, tab sis kuj txhawb kev hloov kho ntawm qhov loj thiab cov duab.
Lub caij no, peb kuj tau tsim peb tus kheej cov hniav nyiaj hniav kub ua lag luam hauv xyoo 2020, uas tsis yog tsuas yog muaj cov khoom lag luam txaus ntawm S925 nyiaj hniav nyiaj hniav kub los muab rau peb cov neeg siv khoom, tab sis kuj tuaj yeem ua raws li cov kev xav tau ntawm cov hniav nyiaj hniav kub, tsis hais nws yog 925 nyiaj lossis K kub.
Cim npe nrov: lab zus agl ntawv pov thawj paparacha gemstone, Tuam Tshoj lab zus agl ntawv pov thawj paparacha gemstone manufacturers, lwm tus neeg, Hoobkas
