cov khoom

CAS NO.94-36-0 Benzoyl peroxide-Tus nqi qis Zoo / qauv yog pub dawb / DA hnub

piav qhia luv luv:

Lub Npe Khoom: Benzoyl peroxide
CAS: 94-36-0
Cov mis mos molecular: C14H10O4
Qhov hnyav molecular: 242.23
EINECS No.: 202-327-6
Melting point: 105 ° C (lit.)
Kub npau: 176°F
Qhov Ceev: 1.16 g/mL ntawm 25 °C (lit.)
Siab vapor: 0.009Pa ntawm 25 ℃
Refractive index: 1.5430 (kwv yees)
Qhov kub hnyiab: >230°F
Kev huv huv: ≥99%
Hom: MIT -IVY INDUSTRY CO., LTD
Tsos: hmoov dawb los yog kua pob tshab
Siv: Feem ntau siv ua tus pib polymerization ntawm PVC thiab polyacrylonitrile thiab tus neeg sawv cev crosslinking ntawm unsaturated polyester thiab acrylate. Hauv kev lag luam roj hmab, nws yog siv ua tus neeg sawv cev crosslinking rau roj hmab silicone thiab fluororubber. Nws kuj tseem siv tau ua tus neeg sawv cev bleaching thiab tus neeg sawv cev oxidizing rau kev tsim tshuaj lom neeg.
Cov Lus Ceeb Toom Txog Kev Khaws Cia: Dej siv ua lub stabilizer thaum khaws cia, feem ntau muaj 30% dej. Qhov kub khaws cia yuav tsum khaws cia ntawm 2 ~ 25 ° C. Nws yuav tsum khaws cia cais ntawm cov neeg sawv cev txo qis, kua qaub, alkalis, thiab cawv, thiab yuav tsum tsis txhob sib xyaw. Nws yuav tsum tsis txhob khaws cia ntev kom tsis txhob puas tsuaj.
Chaw nres nkoj: Shanghai lossis lwm tus
Muaj Peev Xwm Ntau Lawm: 1-100 Metric Ton / Hli
Ntim: raws li qhov yuav tsum tau ua
Kev Thauj Mus Los: los ntawm hiav txwv lossis los ntawm huab cua
Cov txheej txheem them nqi: L / C, T / T, D / A, D / P, O / A, paypal, western union thiab lwm yam. txais txhua qhov kev them nqi


  • Lub Npe:
  • CAS:
  • Kev Huv Si:≥99%
  • Hom:MIT-IVY INDUSTRY CO., LTD
  • Cov Lus Qhia Txog Khoom

    Cov Cim Npe Khoom

    Cov Lus Qhia Ceev

    Lub Npe Khoom: Benzoyl peroxide
    CAS: 94-36-0
    Cov mis mos molecular: C14H10O4
    Qhov hnyav molecular: 242.23
    EINECS No.: 202-327-6
    Melting point: 105 ° C (lit.)
    Kub npau: 176°F
    Qhov Ceev: 1.16 g/mL ntawm 25 °C (lit.)
    Siab vapor: 0.009Pa ntawm 25 ℃
    Refractive index: 1.5430 (kwv yees)
    Qhov kub hnyiab: >230°F
    Kev huv huv: ≥99%
    Hom: MIT -IVY INDUSTRY CO., LTD
    Tsos: hmoov dawb los yog kua pob tshab
    Siv: Feem ntau siv ua tus pib polymerization ntawm PVC thiab polyacrylonitrile thiab tus neeg sawv cev crosslinking ntawm unsaturated polyester thiab acrylate. Hauv kev lag luam roj hmab, nws yog siv ua tus neeg sawv cev crosslinking rau roj hmab silicone thiab fluororubber. Nws kuj tseem siv tau ua tus neeg sawv cev bleaching thiab tus neeg sawv cev oxidizing rau kev tsim tshuaj lom neeg.
    Cov Lus Ceeb Toom Txog Kev Khaws Cia: Dej siv ua lub stabilizer thaum khaws cia, feem ntau muaj 30% dej. Qhov kub khaws cia yuav tsum khaws cia ntawm 2 ~ 25 ° C. Nws yuav tsum khaws cia cais ntawm cov neeg sawv cev txo qis, kua qaub, alkalis, thiab cawv, thiab yuav tsum tsis txhob sib xyaw. Nws yuav tsum tsis txhob khaws cia ntev kom tsis txhob puas tsuaj.
    Chaw nres nkoj: Shanghai lossis lwm tus
    Muaj Peev Xwm Ntau Lawm: 1-100 Metric Ton / Hli
    Ntim: raws li qhov yuav tsum tau ua
    Kev Thauj Mus Los: los ntawm hiav txwv lossis los ntawm huab cua
    Cov txheej txheem them nqi: L / C, T / T, D / A, D / P, O / A, paypal, western union thiab lwm yam. txais txhua qhov kev them nqi

    DAIM NTAWV POV THAWJ TXOG KEV TSOM XAM

    Khoom siv: Benzoyl peroxide

    CAS: 94-36-0

    Hnub Tshawb Xyuas:2021.10.16

    Qhov ntau: 4mt

    Tus lej khoom: ZQ2021101613

    检测项目

    Khoom Siv Kuaj Thiab Cov Txiaj Ntsig

    Khoom

    Cov Lus Qhia Tshwj Xeeb

    Qhov tshwm sim

    外观

    Qhov tsos

    白色糊状

    ncuav mog qab zib dawb

    白色糊状

    ncuav mog qab zib dawb

    过氧化物含量

    Cov ntsiab lus ntawm peroxide

    50% ± 2

    50.29%

    Qhov kub thiab txias (20 ° C)

    Qhov viscosity

    能摇动的糊剂

    Cov nplaum tuaj yeem txav mus los

    能摇动的糊剂

    Cov nplaum tuaj yeem txav mus los

    溶解度

    Kev yaj tau

    不溶解水中

    Tsis txhob yaj rau hauv dej

    不溶解水中

    Tsis txhob yaj rau hauv dej

    结论

    Xaus lus

    合格

    Tsim nyog

    Kev zoo tshaj plaws

    1. muab cov qauv

    2. Cov khoom ntim tau raws li cov neeg siv khoom xav tau

    3. Cov lus nug twg los tau yuav teb rau hauv 24 teev

    4. Peb muab daim ntawv qhia txog kev lag luam, daim ntawv teev khoom, daim ntawv them nqi, coa, daim ntawv pov thawj kev noj qab haus huv thiab daim ntawv pov thawj keeb kwm. Yog tias koj lub khw muaj cov kev cai tshwj xeeb, qhia rau peb paub.

    5. nqe Hoobkas.

    6. xa khoom sai. Peb muaj kev koom tes zoo nrog ntau tus kws tshaj lij xa khoom, peb tuaj yeem xa cov khoom rau koj thaum koj lees paub qhov kev txiav txim.

    7. Peb tuaj yeem txais ntau txoj kev them nqi, l / c, t / t, d / a, d / p, o / a, paypal, western union thiab lwm yam, thiab peb koom tes nrog sinosure ntau xyoo.

     

    Cov ntsiab lus

    Cov phooj ywg zoo:

    N,N-Diethyl-m-toluidine/CAS 91-67-8 FOB NQI: 3.97us/kg, CIF NQI nyob ib ncig ntawm: 4.13us/kg

    N,N-Dimethylcyclohexylamine/CAS 98-94-2 FOB NQI: 3.38us/kg, CIF NQI nyob ib ncig ntawm: 4.25us/kg

    N-Ethyl-o-toluidine/CAS 94-68-8, Nqe FOB: 4.87us/kg, Nqe CIF nyob ib ncig ntawm: 4.97us/kg

    N,N-DIMETHYL -P-TOLUIDINE DMPT/CAS:99-97-8, FOB NQI: 4.67us/kg, CIF NQI nyob ib ncig ntawm: 4.95us/kg

    N-Ethyl-N-hydroxyethylaniline/ CAS 92-50-2, FOB NQI: 4.68us/kg, CIF NQI nyob ib ncig ntawm: 4.95us/kg

    N,N-dimethyl aniline/CAS 121-69-7, FOB NQI: 3.38us/kg, CIF NQI nyob ib ncig ntawm: 4.25us/kg

    N,N-DIMETHYL-M-TOLUIDINE/CAS 121-72-2, NQI FOB: 4.68us/kg, NQI CIF nyob ib ncig ntawm: 4.95us/kg

    N-Ethylaniline/CAS 103-69-5, FOB NQI: 2.38us/kg, CIF NQI nyob ib ncig ntawm: 2.83us/kg

    BETA NAPTHOL /CAS 135-19-3, FOB NQI: 2.31us/kg, CIF NQI nyob ib ncig ntawm: 2.53us/kg

     

    Peb paub tias tsuas yog los ntawm kev xa cov kev daws teeb meem rau koj thiab daws qhov teeb meem, peb thiaj li ua tau peb cov txiaj ntsig.

    Peb nyob ntawm no tsis yog los khwv nyiaj tab sis daws koj qhov teeb meem.

    thov koj saib peb daim ntawv teev cov khoom.

    MIT-IVY INDUSTRY CO., LTD
    Diamond International, Xuzhou City, Jiangsu Province, Suav teb
    Athen: TEL/WhatsAPP: 0086-13805212761
    EMAIL:info@mit-ivy.com
    Kev Them Nyiaj: DA 90 HNUB
    MIT -IVY INDUSTRY yog lub chaw tsim tshuaj zoo thiab cov chaw tsim tshuaj intermediates nrog kev txhawb nqa R & D muaj zog hauv Suav teb.
    Feem ntau koom nrog, Indole, Thiophene, Pyrimidine, Aniline, Chlorine cov khoom.
    产品 Khoom CAS
    3-Tswv Ntuj 3-Fluoroaniline 372-19-0
    2- Lub Ib Hlis-5-Lub Yim Hli 2-Bromo-5-fluoroaniline 1003-99-2
    2-Tswv Ntuj 2-Fluoroaniline 348-54-9
    2- Lub Ib Hlis-4-Lub Yim Hli 5-Nitroanthranilonitrile 17420-30-3
    2,3- 二甲基苯胺 2,3-Dimethylaniline 87-59-2
    2- Lub Ob Hlis 5-Lub Ob Hlis 2-Fluoro-5-aminotoluene 452-69-7
    2- Lub Ob Hlis 4-Lub Kaum Ob Hlis 2-Fluoro-4-methylaniline 452-80-2
    3- Lub Ob Hlis 2-Lub Yim Hli 3-Fluoro-2-methylaniline 443-86-7
    3,4- 二甲基苯胺 3,4-Dimethylaniline 95-64-7
    2'- 甲基乙酰乙酰苯胺 2'-Methylacetoacetanilide 93-68-5
    2- 溴-4- 甲基苯胺 2-Bromo-4-methylaniline 583-68-6
    2,4- 二甲基苯胺盐酸盐 2,4-Dimethylaniline hydrochloride 21436-96-4
    2- Lub Ob Hlis 4- Lub Ob Hlis 2-Chloro-4-methylaniline 615-65-6
    2- Lub Ib Hlis-5-Lub Yim Hli 2-Amino-5-bromobenzotrifluoride 445-02-3
    4- Lub Ob Hlis 2-Lub Yim Hli 4-Chloro-2-methylaniline 95-69-2
    3,5- 二氯苯胺 3,5-Dichloroaniline 626-43-7
    N, N-二甲基苯胺 N,N-Dimethylaniline 121-69-7
    N, N-二甲基对甲苯胺 N,N-DIMETHYL-P-TOLUIDINE 99-97-8
    2,6- 二甲基苯胺 2,6-Dimethylaniline 87-62-7
    N, N-二甲基间甲苯胺 N,N-DIMETHYL-M-TOLUIDINE 121-72-2
    N, N-二甲基邻甲苯胺 N,N,2-Trimethylbenzenamine 609-72-3
    N, N-二羟乙基苯胺 N-Phenyldiethanolamine 120-07-0
    N, N-二羟乙基对甲苯胺 2,2'-(P-TOLYLIMINO)DIETHANOL ^3077-12-1
    N, N-二乙基苯胺 N,N-Diethylaniline 91-66-7
    2-Lub Ob Hlis-5-Lub Ob Hlis 4-Chloro-alpha, alpha, alpha-trifluoro-m-toluidine 320-51-4
    N, N-二正丁基苯胺 N,N-DIBUTYLANILINE 613-29-6
    NN-二乙基间甲苯胺 N,N-Diethyl-m-toluidine 91-67-8
    N-丁基-N-羟乙基苯胺 2-(N-BUTYLANILINO)ETHANOLE 3046-94-4
    N-丁基-N-氰乙基苯胺 3-(Butylphenylamino)propiononitrile 61852-40-2
    对三氟甲氧基苯胺 4-(Trifluoromethoxy) aniline 461-82-5
    N-甲基-N-羟乙基苯胺 N-(2-Hydroxyethyl)-N-methylaniline 93-90-3
    N-甲基-N-羟乙基对甲苯胺 N-(2-HYDROXYETHYL)-N-METHYL-4-TOLUIDINE 2842-44-6
    N-甲基苯胺 N-Methylaniline 100-61-8
    4- Lub Ob Hlis 2-Lub Peb Hlis 4-Fluoro-2-methylaniline 452-71-1
    N-甲基间甲苯胺 3-(Methylamino)toluene 696-44-6
    N-甲基-邻甲基苯胺 N-METHYL-O-TOLUIDINE 611-21-2
    2,6-二氯-4-三氟甲基苯胺 4-Amino-3,5-dichlorobenzotrifluoride 24279-39-8
    N-苯基乙醇胺 2-Anilinoethanol 122-98-5
    N-(2-氰乙基)-N-羟乙基苯胺 N-(2'-Cyanoethyl)-N-(2"-hydroxyethyl)aniline 92-64-8
    N-氰乙基-N-羟乙基间甲苯胺 N-(2-CYANOETHYL)-N-(2-HYDROXYETHYL)-M-TOLUIDINE 119-95-9
    N-亚硝基二苯胺 N-Nitrosodiphenylamine 86-30-6
    N-乙基-N-苄基苯胺 N-Benzyl-N-ethylaniline 92-59-1
    N-乙基-N-苄基间甲苯胺 3-(N-Ethyl-m-toluidino)propiononitrile 148-69-6
    N-乙基-N-苄基间甲苯胺 Ethylbenzyltoluidine 119-94-8
    N-乙基-N-羟乙基苯胺 N-Ethyl-N-hydroxyethylaniline 92-50-2
    N-乙基-N-羟乙基间甲苯胺 2-(N-Ethyl-m-toluidino)ethanol 91-88-3
    N-(2-氰乙基)-N-乙基苯胺 3-Ethylanilinopropiononitrile 148-87-8
    N-乙基-N-氰乙基间甲苯胺 N-Ethyl-N-cyanoethyl-m-toluidine 148-69-6
    N-乙基苯胺 N-Ethylaniline 103-69-5
    N-乙基对甲苯胺 N-ETHYL-P-TOLUIDINE 622-57-1
    N-乙基间甲苯胺 N-Ethyl-3-methylaniline 102-27-2
    N-乙基-邻甲苯胺 2-Ethylaminotoluene 94-68-8
    N-异丙基苯胺 N-Isopropylaniline 768-52-5
    N-正丁基苯胺 N-Phenyl-n-butylamine 1126-78-9
    2- Lub Ib Hlis-5-Lub Xya Hli 2-Fluoro-5-methylaniline 452-84-6
    4- 甲基-3- 硝基苯胺 4-Methyl-3-nitroaniline 119-32-4
    对氟苯胺 4-Fluoroaniline 371-40-4
    对甲苯胺 p-Toluidine PT 106-49-0
    3- 甲基-4- 硝基苯胺 3-Methyl-4-nitroaniline 611-05-2
    间甲苯胺 m-Toluidine 108-44-1
    间氨基三氟甲苯 3-Aminobenzotrifluoride 98-16-8
    邻甲氧基苯胺 o-Anisidine 90-04-0
    N-甲基对硝基苯胺 N-Methyl-4-nitroaniline 100-15-2
    2- 乙基苯胺 2-Ethylaniline 578-54-1
    MIT-IVY INDUSTRY CO., LTD
    Diamond International, Xuzhou City, Jiangsu Province, Suav teb
    Athena: TEL/WHATSAPP: 0086-13805212761
    EMAIL:info@mit-ivy.com
    Kev Them Nyiaj: DA 90 HNUB
    MIT -IVY INDUSTRY yog lub chaw tsim tshuaj zoo thiab cov chaw tsim tshuaj intermediates nrog kev txhawb nqa R & D muaj zog hauv Suav teb.
    Feem ntau koom nrog, Indole, Thiophene, Pyrimidine, Aniline, Chlorine cov khoom.
    产品 Khoom CAS
    12 烷基氯化吡啶 Dodecylpyridinechloride 104-74-5
    16 烷基氯化吡啶 Hexadecylpyridiniumchloride 6004-24-6
    2, 3, 5, 6 - Lub Xya Hli 2,3,5,6-Tetrachloropyridine 2402-79-1
    2,3- 二氯苯甲醛 2,3-Dichlorobenzaldehyde 6334-18-5
    2,3-Tsab ntawv 2,3-Dichloropyridine 2402-77-9
    2,3- 二氯甲苯 2,3-Dichlorotoluene 32768-54-0
    2,3- 二氯氯苄 2,3-Dichlorobenzylchloride 3290-01-5
    2,3- 二氯三氟甲苯 2,3-Dichlorobenzotrifluoride 54773-19-2
    2,4-二氨基-6-Xov xwm 4-Chloro-2,6-diaminopyrimidine 156-83-2
    2,4-二氯-3,5-二硝基三氟甲苯 2,4-Dichloro-3,5-dinitrobenzotrifluoride 29091-09-6
    2,4- 二氯苯胺 2,4Dichloroaniline 554-00-7
    2,4- 二氯苯甲醛 2:4DichloroBenzaldehyde 874-42-0
    2,4- 二氯苯甲酸 2,4-dichlorobenzoicacid 50-84-0
    2,4- 二氯苯腈 2,4-Dichlorobenzonitrile 6574-98-7
    2,4- 二氯苯乙酮 2',4'-Dichloroacetophenone 2234-16-4
    2,4'-二氯苯乙酮4-氯苯酰甲基氯; 2,6-Dichlorophenol 937-20-2
    2,4- 二氯苄醇
    2,4- 二氯苯甲醇
    2,4-Dichlorobenzyl cawv 1777-82-8
    2,4- 二氯甲苯 2,4-dichlorotoluene 95-73-8
    2,4- 二氯氯苄 2,4-Dichlorobenzylchloride 94-99-5
    2,4-Tswj lub sij hawm 2,4-Dichloropyrimidine 3934-20-1
    2,4- 二氯三氟甲苯 2,4-Dichlorobenzotrifluoride 320-60-5
    2,5- 二氯甲苯 2,5-Dichlorotoluene 19398-61-9
    2,5-Tswj lub sij hawm 2,5-Dichlorothiophene 39098-97-0
    2,6-二氯-4-三氟甲基苯胺 2,6-Dichlorophenol. ≤0.5% 96-24-2
    2,6- 二氯苯酚 2,6-Dichloropurine 87-65-0
    2,6- Lub Xya hli ntuj 2,6-Dichloropyridine 2402-78-0
    2,6- 二氯甲苯 2,6-Dichlorotoluene 443-84-5
    2,6- 二氯氯苄 2,6-Dichlorobenzylchloride 2014-83-7
    2,6- Lub Ob Hlis 2-AMINO-6-CHLOROPURINE 5451-40-1
    2.4 Cov ntaub ntawv hloov tshiab 2,4-Dichlorobenzoylchloride 89-75-8
    2- Lub Ob Hlis 6-Lub Ob Hlis 2-Amino-5-bromopyridine 10310-21-1
    2- Lub Ob Hlis 4- Lub Ob Hlis 2-Chloro-4-methylaniline 94-74-6
    2- Lub Ib Hlis-5-Lub Yim Hli 2-Chloro-5-fluorotoluene 403-43-0
    2- Lub Ib Hlis-6-Lub Yim Hli 2-Chloro-6-methylaniline 87-63-8
    2- Lub Xya Hli 2-Chloropyridine 109-09-1
    2- 氯三氯甲苯
    邻氯三氯苄
    2-Chlorobenzotrichloride
    OCTC
    2136-89-2
    3,4- 二氯二苯醚 3,4'-Dichlorodiphenylether 6842-62-2
    3,4- 二氯甲苯 3,4-Dichlorotoluene 95-75-0
    3,4- 二氯氯苄 1,2-Dichloro-4-(chloromethyl)benzene 102-47-6
    3,4- 二氯三氟甲苯 3-Chlorobenzotrifluoride 328-84-7
    3,5- 二氯苯酚 3,5-Dichlorophenol 591-35-5
    3, 5- 二氯吡啶 3,5-Dichloropyridine 2457-47-8
    3- Lub Ib Hlis-4-Lub Yim Hli 3-Chloro-4-nitrotoluene 95-69-2
    4,6- 二氯嘧啶 4,6-dichloropyrimidine 1193-21-1
    4-Tswv Ntuj 4-FLUOROBENZOYL CHLORIDE 89-59-8
    4-Tswv Ntuj 4-Fluorobenzylchloride 352-11-4
    4- Lub Ob Hlis 2-Lub Yim Hli 4,2-chloronitrotoluene 89-60-1
    4-Tsab-3-Tswv Ntuj 1-Chloro-4-methyl-2-nitrobenzene 38939-88-7
    4-Tswv Ntuj 4-Chlorobenzylchloride 104-83-6
    N, N-二乙基氯甲酰胺 Diethylcarbamicchloride 24279-39-8
    对甲基苯甲酰氯(4-甲基苯甲酰氯) p-toluoyl chloride 88-10-8
    对甲基氯苄 4-Methylbenzylchloride 104-82-5
    对氯苯甲醛 4-Chlorobenzaldehyde 104-88-1
    对氯苯甲酰氯
    4-Tswv Ntuj
    4-Chlorobenzoylchloride 122-01-0
    对氯苯腈 4-Chlorobenzonitrile 623-03-0
    对氯甲苯 4-Chlorotoluene
    PCT
    106-43-4
    对氯邻甲苯胺 4-Chloro-2-Methylaniline 615-65-6
    对氯氯苄
    十二烷基三甲氧基硅烷
    Dodecyltrimethoxysilane
    n-Dodecyltrimethoxysilane
    3069-21-4
    对-氯三氟甲苯 5-Amino-2-chlorobenzotrifluoride 393-52-2
    对氯三氟甲苯
    4-Tswv Ntuj
    4-ChlorobenzotrifluoridePCBTF
    p-Chlorobenzotrifluoride
    98-56-6
    对硝基苯甲酰氯 4-Nitrobenzoyl chloride 933-88-0
    二(三氯甲基) 碳酸酯三光气 Triphosgene 32315-10-9
    间氟苯甲酰氯 3-Fluorobenzoyl chloride 33406-96-1
    间氟氯苄 3-Fluorobenzylchloride 456-42-8
    间甲基苯甲酰氯 3-Methylbenzoylchloride 874-60-2
    间氯甲基苯甲酸 3-(Chloromethyl)benzoic acid 122-04-3
    间氯氯苄 3-Chlorobenzylchloride 620-20-2
    间氯三氟甲苯 2,4'-dichloroacetophenone 98-15-7
    邻氟苯甲酰氯 2-Fluorobenzoylchloride 1711-07-5
    邻甲基氯苄 2-Methylbenzylchloride
    MBC
    552-45-4
    邻氯苯甲醛 2-Chlorobenzaldehyde 89-98-5
    邻氯苯甲酰氯 2-Chlorobenzoylchloride 609-65-4
    邻氯苯腈 2-Chlorobenzonitrile 873-32-5
    邻氯对硝基苯胺 2-Chloro-4-nitroaniline 121-87-9
    邻氯甲苯
    2- 甲苯
    2-Chlorotoluene 95-49-8
    邻氯氯苄 2-Chlorobenzylchloride 611-19-8
    邻氯三氟甲苯
    2- 氯三氟甲苯
    2-Chlorobenzotrifluoride 88-16-4
    三氯丙酮 1,1,3-Trichloroacetone 921-03-9
    三氯氧磷 phosphoryltrichloride 10025-87-3
    四氯乙酰乙酸乙酯 Ethyl-4-choloro-3-oxobutanoate 638-07-3
    Ib 氯丙酮 MONOCHLORACETONE 78-95-5
    氯化甘油 4-Amino-3,5-dichlorobenzotrifluoride
    2,6- 二氯苯甲醛 3-Chloro-1,2-propanediol
    间氟苯甲酰氯(3-氟苯甲酰氯) 2,6-Dichlorobenzaldehyde
    氯代十六烷基吡啶一水合物 Cetylpyridiniumchloridemonohydrate

    Cov Lus Cim

    Kev Nyab Xeeb thiab Kev Tswj Xyuas

    Mit-ivy Cerfiticate
    kev lag luam mit-ivy

  • Yav dhau los:
  • Tom ntej no:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb