yam khoom | tus nqi |
CAS Nr. | 7331-52-4 |
Lwm Lub Npe | (S)-3-Hydroxy-gamma-butyrolactone |
MF | C4H6O3 |
EINECS No. | 434-990-4 : kuv |
Qhov Chaw Keeb Kwm | Tuam Tshoj |
Hom | Organic nruab nrab |
Purity | 99% |
Qauv nab npawb | 7331-52-4 |
Daim ntawv thov | Organic nruab nrab |
Qhov tshwm sim | ua kua |
1. Kev paub nplua nuj
Peb tshwj xeeb hauv qhov no tau thov ntau xyoo, thoob ntiaj teb thiab tsim kev sib raug zoo ntawm kev koom tes nrog lawv.
2. Zoo heev, purity thiab haum
Kev ua tau zoo yog ib qho ntawm peb cov lus zais loj tshaj plaws rau kev ua tiav; koj tuaj yeem tau txais qhov zoo tshaj plaws thiab kev pabcuam los ntawm peb.
3. Kev nyab xeeb tshaj plaws thiab xa khoom sai tshaj plaws
Peb muaj cov khoom tsim nyog kom peb tuaj yeem xa cov khoom nrog 24 teev sai li sai tau thaum tau txais cov nyiaj them poob haujlwm. Ceev ceev thiab tsis pom zoo cov khoom xa tuaj yuav npaj kom dhau kev lis kev cai.
4. Zoo pob
Txoj hauv kev tshwj xeeb rau nkoj 10g mus rau 100kg hmoov rau koj lub hom phiaj.Peb muab cov hmoov melting rau hauv kev pabcuam ua kua thiab xa cov kua hauv
lub raj mis tshwj xeeb.
5. Kev pab cuam tom qab muag zoo heev
Txhua yam kev xav tau lossis cov lus nug hu rau kuv dawb.
Q1: Kuv puas tuaj yeem tau txais qee qhov qauv?
A: Yog, peb tuaj yeem muab cov qauv dawb, tab sis tus nqi thauj khoom yuav raug them los ntawm peb cov neeg siv khoom.
Q2: Koj qhov kev txiav txim yam tsawg kawg nkaus yog dab tsi?
A: Peb qhov kev txiav txim yam tsawg kawg nkaus yog 1 kg.Tab sis feem ntau peb lees txais qhov me me, piv txwv li 100 G, ntawm qhov xwm txheej uas hloov pauv yog 100% them.
Q3: Cov nqe lus them nqi twg koj txais?
A: Kev them nyiaj los ntawm T / T, Western Union, BTC, MoneyGram.
Q4: Yuav ua li cas thiaj ua tau zoo?
A: Peb yuav ua qee qhov qauv me me ua ntej ntau lawm.Tom qab kuaj cov qauv, peb yuav loj-tsim.100% Kev tshuaj xyuas thaum lub sijhawm tsim khoom thiab random tshuaj xyuas ua ntej ntim.
Q5: Lub sijhawm khoom xa tuaj li cas?
A: Lub sij hawm xa tuaj: li 1-2 hnub tom qab tau txais kev pom zoo ntawm kev them nyiaj (tsis suav cov hnub so hauv Suav).