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R&D Systems 報(bào)價(jià)

 發(fā)布時(shí)間:2016/12/16 點(diǎn)擊量:1023

R&D Systems位于美國的明尼蘇達(dá)州,一直致力于生物制品的開發(fā)與生產(chǎn)。公司成立之初主要生產(chǎn)用于醫(yī)院及臨床應(yīng)用的血控品。1997年,公司推出*個(gè)產(chǎn)品--富血小板血漿質(zhì)控品;1981年,公司成為第二家生產(chǎn)含血小板全血控品的供應(yīng)商。40多年的發(fā)展中,R&D Systems仍持續(xù)開發(fā)各種血控品產(chǎn)品。

  1985年,作為公司推出的*個(gè)科研試劑產(chǎn)品,也是*家將該產(chǎn)品進(jìn)行商業(yè)化生產(chǎn)的產(chǎn)品,R&D Systems成功上市了TGF-beta1蛋白。作為胞外信號分子,TGF-beta1蛋白在多種細(xì)胞中進(jìn)行表達(dá),并作為胞外信號分子參與免疫功能,細(xì)胞增殖和細(xì)胞分化等生物學(xué)過程。該產(chǎn)品推出后,公司陸續(xù)從生物材料中純化了幾種細(xì)胞因子產(chǎn)品并推向市場。

  天然蛋白類產(chǎn)品的成功推廣,加速了R&D Systems在細(xì)胞因子市場的開拓。公司于1985年形成Growth Factor事業(yè)部(現(xiàn)Biotechnology事業(yè)部)。Biotechnology事業(yè)部的目標(biāo)是生產(chǎn)和營銷重組人細(xì)胞因子。與天然來源提取蛋白相比較,DNA重組技術(shù)生產(chǎn)的蛋白產(chǎn)品其成本更低,產(chǎn)量更高,*擺脫原料的限制。1989年,Biotechnology事業(yè)部開始開發(fā)抗細(xì)胞因子的單克隆和多克隆抗體,并于1990年開發(fā)了*個(gè)ELISA試劑盒。

  

供應(yīng)商貨號品名規(guī)格價(jià)格
R&D Systems4867-100Hydrophobic Coverslips (100 EA)100 EA1350
R&D Systems7620Human IL-18/IL-1F4 ELISA (1 KT)1 KT9390
R&D Systems7625Mouse IL-18/IL-1F4 ELISA (1 KT)1 KT9390
R&D Systems640188Plate Sealer;Excel (100 EA)100 EA440
R&D Systems886000Color Reagent A (50 VL)50 VL1890
R&D Systems886001Color Reagent B (50 VL)50 VL2370
R&D Systems886003Wash Buffer Concentrate; 25x (50 VL)50 VL2100
R&D Systems886032Stop;2N Sulfuric Acid;6mL (50 VL)50 VL1790
R&D Systems886151Calibrator Diluent; RD5P (50 VL)50 VL5100
R&D Systems886174Stop;0.075M Citric Acid (50 VL)50 VL2710
R&D Systems890039Human IL-1 beta Plate (1 EA)1 EA410
R&D Systems890040Human IL-1 beta Conjugate (1 VL)1 VL110
R&D Systems890041Human IL-1 beta Standard (1 VL)1 VL90
R&D Systems890042Human IL-2 Plate (1 EA)1 EA410
R&D Systems890043Human IL-2 Conjugate (1 VL)1 VL110
R&D Systems890044Human IL-2 Standard (1 VL)1 VL90
R&D Systems890045Human IL-6 Plate (1 EA)1 EA410
R&D Systems890046Human IL-6 Conjugate (1 VL)1 VL110
R&D Systems890047Human IL-6 Standard (1 VL)1 VL90
R&D Systems890123Human TNF-alpha Plate (1 EA)1 EA410
R&D Systems890210Human IFN-gamma Standard (1 VL)1 VL90
R&D Systems890218Human VEGF Plate (1 EA)1 EA410
R&D Systems890219Human VEGF Conjugate (1 VL)1 VL110
R&D Systems890220Human VEGF Standard (1 VL)1 VL90
R&D Systems890247Human G-CSF Plate (1 EA)1 EA410
R&D Systems890270Human G-CSF Conjugate (1 VL)1 VL110
R&D Systems890327Mouse IL-2 Plate (1 EA)1 EA410
R&D Systems890328Mouse IL-2 Conjugate (1 VL)1 VL110
R&D Systems890329Mouse IL-2 Standard (1 VL)1 VL90
R&D Systems890401Mouse IL-4 Standard (1 VL)1 VL90
R&D Systems890403Mouse IL-10 Standard (1 VL)1 VL90
R&D Systems890408Mouse IL-4 Plate (1 EA)1 EA410
R&D Systems890462Human IL-8 Plate (1 EA)1 EA410
R&D Systems890465Human IL-8 Conjugate (1 VL)1 VL110
R&D Systems890466Human IL-8 Standard (1 VL)1 VL90
R&D Systems890475Mouse IFN-gamma Plate (1 EA)1 EA410
R&D Systems890477Mouse IFN-gamma Standard (1 VL)1 VL90
R&D Systems890573Human Leptin Plate (1 EA)1 EA410
R&D Systems890574Human Leptin Conjugate (1 VL)1 VL110
R&D Systems890575Human Leptin Standard (1 VL)1 VL90
R&D Systems890582Human IFN-gamma Plate; 2nd Gen (1 EA)1 EA410
R&D Systems890583Human IFN-gamma Conjugate (1 VL)1 VL110
R&D Systems890652Mouse IL-12p70 Plate (1 EA)1 EA410
R&D Systems890653Mouse IL-12p70 Conjugate (1 VL)1 VL110
R&D Systems890654Mouse IL-12p70 Standard (1 VL)1 VL90
R&D Systems890669Mouse IL-17 Plate (1 EA)1 EA410
R&D Systems890670Mouse IL-17 Standard (1 VL)1 VL90
R&D Systems890671Mouse IL-17 Conjugate (1 VL)1 VL110
R&D Systems890713Cell Lysis Buffer 1 (1 x 21 mL) (1 EA)1 EA530
R&D Systems890783Mouse VEGF Plate (1 EA)1 EA410
R&D Systems890784Mouse VEGF Standard (1 VL)1 VL90
R&D Systems890989Human CD40 Ligand Plate (1 EA)1 EA410
R&D Systems890990Human CD40 Ligand Conjugate (1 VL)1 VL110
R&D Systems890991Human CD40 Ligand Standard (1 VL)1 VL90
R&D Systems892152Human G-CSF Standard (1 VL)1 VL90
R&D Systems892369Mouse IL-6 Plate (1 EA)1 EA410
R&D Systems892371Mouse IL-6 Standard (1 VL)1 VL90
R&D Systems892539Human TNF-alpha Conjugate (1 VL)1 VL110
R&D Systems892540Human TNF-alpha Standard (1 VL)1 VL90
R&D Systems892665Mouse IL-6 Conjugate (1 VL)1 VL110
R&D Systems892666Mouse IFN-gamma Conjugate (1 VL)1 VL110
R&D Systems892667Mouse VEGF Conjugate (1 VL)1 VL110
R&D Systems892701Mouse IL-4 Conjugate (1 VL)1 VL110
R&D Systems893829Mouse IL-1 beta Plate (1 EA)1 EA410
R&D Systems893830Mouse IL-1 beta Conjugate (1 VL)1 VL110
R&D Systems893831Mouse IL-1 beta Standard (1 VL)1 VL90
R&D Systems893961Mouse TNF-alpha Plate, 2nd Gen (1 EA)1 EA410
R&D Systems893962Mouse TNF-alpha Conjugate, 2nd Gen (1 VL)1 VL110
R&D Systems893963Mouse TNF-alpha Standard, 2nd Gen (1 VL)1 VL90
R&D Systems894178Epo QC Patient Level 1, Access (400 ML)400 ML12010
R&D Systems894179Epo QC Patient Level 2, Access (400 ML)400 ML12010
R&D Systems894180Epo QC Patient Level 3, Access (400 ML)400 ML12010
R&D Systems894181Epo QC Patient Level 4, Access (400 ML)400 ML12010
R&D Systems894182Epo QC Patient Level 5, Access (400 ML)400 ML12010
R&D Systems894508Mouse IL-10 Plate (1 EA)1 EA410
R&D Systems894509Mouse IL-10 Conjugate (1 VL)1 VL110
R&D Systems894510Mouse IL-10 Standard (1 VL)1 VL90
R&D Systems895000Color Reagent A (50 VL)50 VL1890
R&D Systems895001Color Reagent B (50 VL)50 VL2370
R&D Systems895003Quantikine kit component wash buffer - 21 ml at 25x (21 ML)21 ML340
R&D Systems895032Stop;2N Sulfuric Acid;6ml (50 VL)50 VL1790
R&D Systems895064Wash Buffer; 10x Triton; 1 L (1 L)1 L4100
R&D Systems895151Calibrator Diluent; RD5P (50 VL)50 VL5100
R&D Systems895174Stop;0.075M Citric Acid (50 VL)50 VL2710
R&D Systems895347Cell Lysis Buffer 2 (1 x 21 mL) (1 EA)1 EA530
R&D Systems895366Cell Lysis Buffer 3 Concentrate (5X, 1 x 21 mL) (1 EA)1 EA750
R&D Systems895561Lysis Buffer 6 (1 x 21 mL) (1 EA)1 EA530
R&D Systems895890Cell Lysis Buffer 5 (1 x 21 mL) (1 EA)1 EA530
R&D Systems895935Lysis Buffer 16 (1 x 21 mL) (1 EA)1 EA530
R&D Systems895943Lysis Buffer 17 (1 x 21 mL) (1 EA)1 EA530
R&D Systems1-001-ANormal Human IgG Control (1 MG)1 MG1030
R&D Systems100-B-010Human TGF-beta 1 (10 UG)10 UG22480
R&D Systems100-B-001Human TGF-beta 1 (1 UG)1 UG3760
R&D Systems100-B-010/CFHuman TGF-beta 1, CF (10 UG)10 UG22480
R&D Systems100-B-001/CFHuman TGF-beta 1, CF (1 UG)1 UG3760
R&D Systems1002-VC-050Recombinant Mouse VE-Cadherin Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1003-RT-050Recombinant Human TGF-beta RII Isoform 2 Fc Chimera, CF (50 UG)50 UG4540
R&D Systems1004-MR-050Recombinant Mouse ST2/IL-1 R4 Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1005-UN-050Recombinant Human UNC5H3 Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1006-UN-050Recombinant Rat UNC5H2 Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1007-MR-100Recombinant Human IL-1 RAPL2/IL-1 R9 Fc Chimera, CF (100 UG)100 UG4280
R&D Systems1008-LR-050Recombinant Mouse Lymphotoxin beta R/TNFRSF3 Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1008-LY-010Recombinant Mouse Lymphotoxin alpha2/beta1 (10 UG)10 UG4280
R&D Systems1008-LY-010/CFRecombinant Mouse Lymphotoxin alpha2/beta1, CF (10 UG)10 UG4280
R&D Systems1009-CL-010Recombinant Cotton Rat IL-1 beta/IL-1F2 (10 UG)10 UG3370
R&D Systems1009-CL-010/CFRecombinant Cotton Rat IL-1 beta/IL-1F2, CF (10 UG)10 UG3370
R&D Systems101-B1-010Porcine TGF-beta 1 (10 UG)10 UG20660
R&D Systems101-B1-001Porcine TGF-beta 1 (1 UG)1 UG3370
R&D Systems101-B1-010/CFPorcine TGF-beta 1, CF (10 UG)10 UG20660
R&D Systems101-B1-001/CFPorcine TGF-beta 1, CF (1 UG)1 UG3370
R&D Systems1010-CR-025Recombinant Cotton Rat CCL5/RANTES (25 UG)25 UG3630
R&D Systems1010-CR-025/CFRecombinant Cotton Rat CCL5/RANTES, CF (25 UG)25 UG3630
R&D Systems1011-CR-025Recombinant Cotton Rat TNF-alpha (25 UG)25 UG2720
R&D Systems1011-CR-025/CFRecombinant Cotton Rat TNF-alpha, CF (25 UG)25 UG2720
R&D Systems1012-PS-010Recombinant Pro-TNF-alpha Fusion Protein, CF (10 UG)10 UG4280
R&D Systems1013-CY-010Recombinant Mouse Cathepsin H, CF (10 UG)10 UG4280
R&D Systems1014-AS-010Recombinant Human Cathepsin D, CF (10 UG)10 UG4410
R&D Systems1015-P2-020Recombinant Porcine IL-2 (Cys146Ala) (20 UG)20 UG4280
R&D Systems1015-P2-020/CFRecombinant Porcine IL-2 (Cys146Ala), CF (20 UG)20 UG4280
R&D Systems1017-MP-025Recombinant Mouse CCL24/Eotaxin-2/MPIF-2 (aa 27-119) (25 UG)25 UG4280
R&D Systems1017-MP-025/CFRecombinant Mouse CCL24/Eotaxin-2/MPIF-2 (aa 27-119), CF (25 UG)25 UG4280
R&D Systems1019-B7-100Recombinant Mouse B7-H1 Fc Chimera, CF (100 UG)100 UG4280
R&D Systems102-B2-001Porcine TGF-beta 2 (1 UG)1 UG4800
R&D Systems102-B2-001/CFPorcine TGF-beta 2, CF (1 UG)1 UG4800
R&D Systems1020-RL-050Recombinant Human CD25/IL-2 R alpha Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1021-PD-100Recombinant Mouse PD-1 Fc Chimera, CF (100 UG)100 UG4280
R&D Systems1022-PL-100Recombinant Mouse PD-L2/B7-DC Fc Chimera, CF (100 UG)100 UG4410
R&D Systems1023-ML-010Recombinant Mouse IL-10 (Cys167Tyr) (10 UG)10 UG3760
R&D Systems1023-ML-010/CFRecombinant Mouse IL-10 (Cys167Tyr), CF (10 UG)10 UG3760
R&D Systems1024-MB-025Recombinant Cotton Rat CCL4/MIP-1 beta (25 UG)25 UG4280
R&D Systems1024-MB-025/CFRecombinant Cotton Rat CCL4/MIP-1 beta, CF (25 UG)25 UG4280
R&D Systems1025-CE-025Recombinant Mouse Betacellulin (25 UG)25 UG4150
R&D Systems1025-CE-025/CFRecombinant Mouse Betacellulin, CF (25 UG)25 UG4150
R&D Systems1026-GR-100Recombinant Mouse IFN-gamma R1 Fc Chimera, CF (100 UG)100 UG4540
R&D Systems1027-B3-100Recombinant Human B7-H3 Fc Chimera, CF (100 UG)100 UG4410
R&D Systems1028-CL-050Recombinant Human CD30 Ligand/TNFSF8, CF (50 UG)50 UG4750
R&D Systems1029-AS-010Recombinant Mouse Cathepsin D, CF (10 UG)10 UG4280
R&D Systems1030-FN-01MBovine Fibronectin, CF (1 MG)1 MG1810
R&D Systems1030-FN-05MBovine Fibronectin, CF (5 MG)5 MG4280
R&D Systems1031-AD-020Recombinant Human ADAM8, CF (20 UG)20 UG4800
R&D Systems1033-CY-010Recombinant Mouse Cathepsin X/Z/P, CF (10 UG)10 UG4280
R&D Systems1034-CY-010Recombinant Mouse Cathepsin C/DPPI, CF (10 UG)10 UG4280
R&D Systems1035-IL-025Recombinant Human IL-19 (25 UG)25 UG4360
R&D Systems1035-IL-025/CFRecombinant Human IL-19, CF (25 UG)25 UG4360
R&D Systems1039-2B-050Recombinant Human 2B4/CD244/SLAMF4 Fc Chimera, CF (50 UG)50 UG4410
R&D Systems1040-BR-050Recombinant Mouse IL-17 RB Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1041-TC-050Recombinant Mouse TACI/TNFRSF13B Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1042-PR-100Recombinant Mouse PDGF R beta Fc Chimera, CF (100 UG)100 UG4540
R&D Systems1048-PI-010Recombinant Human HAI-1, CF (10 UG)10 UG4280
R&D Systems1049-SE-010Recombinant Human Cathepsin A/Lysosom Carboxypeptidase A, CF (10 UG)10 UG4410
R&D Systems1051-CA-050Recombinant Chicken Caronte Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1052-ER-050Recombinant Human EN-RAGE, CF (50 UG)50 UG4280
R&D Systems1054-OX-010Recombinant Human OX40 Ligand/TNFSF4, CF (10 UG)10 UG4280
R&D Systems1055-AA-050Recombinant Rat PDGF-AA, CF (50 UG)50 UG3500
R&D Systems1056-TK-050Recombinant Rat TrkA Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1057-TK-050Recombinant Rat Notch-1 Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1060-DE-100Recombinant Mouse Decorin, CF (100 UG)100 UG3760
R&D Systems1061-RM-025Recombinant Cotton Rat CCL3/MIP-1 alpha (25 UG)25 UG4280
R&D Systems1061-RM-025/CFRecombinant Cotton Rat CCL3/MIP-1 alpha, CF (25 UG)25 UG4280
R&D Systems1062-PR-050Recombinant Mouse PDGF R alpha Fc Chimera, CF (50 UG)50 UG4670
R&D Systems1063-SE-010Recombinant Human Coagulation Factor Xa, CF (10 UG)10 UG4280
R&D Systems1064-IL-010Recombinant Human IL-10 (aa 19-178) (10 UG)10 UG3760
R&D Systems1064-IL-010/CFRecombinant Human IL-10 (aa 19-178), CF (10 UG)10 UG3760
R&D Systems1065-AP-050Recombinant Human Adiponectin/Acrp30, CF (50 UG)50 UG4150
R&D Systems1066-AB-005Recombinant Human Activin AB (5 UG)5 UG4540
R&D Systems1066-AB-005/CFRecombinant Human Activin AB, CF (5 UG)5 UG4540
R&D Systems1067-GH-025Recombinant Human Growth Hormone (GH) (25 UG)25 UG2460
R&D Systems1067-GH-025/CFRecombinant Human Growth Hormone (GH), CF (25 UG)25 UG2460
R&D Systems1068-EP-050Recombinant Mouse Epiregulin (50 UG)50 UG4280
R&D Systems1068-EP-050/CFRecombinant Mouse Epiregulin, CF (50 UG)50 UG4280
R&D Systems1069-RN-050Recombinant Mouse Resistin (50 UG)50 UG4150
R&D Systems1069-RN-050/CFRecombinant Mouse Resistin, CF (50 UG)50 UG4150
R&D Systems1070-RM-025Recombinant Rhesus Macaque TNF-alpha (25 UG)25 UG2720
R&D Systems1070-RM-025/CFRecombinant Rhesus Macaque TNF-alpha, CF (25 UG)25 UG2720
R&D Systems1071-CY-010Recombinant Human Cathepsin C/DPPI, CF (10 UG)10 UG4280
R&D Systems1072-SL-050Recombinant Human Siglec-5 Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1073-BP-010Recombinant Human BMP-8a (10 UG)10 UG3760
R&D Systems1073-BP-010/CFRecombinant Human BMP-8a, CF (10 UG)10 UG3760
R&D Systems1073-BPC-025Recombinant Human BMP-8a (CHO-expressed), CF (25 UG)25 UG4280
R&D Systems1074-VJ-050Recombinant Human JAM-B/VE-JAM Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1077-JM-050Recombinant Mouse JAM-A Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1078-IL-025Recombinant Human IL-36 alpha/IL-1F6 (25 UG)25 UG4280
R&D Systems1078-IL-025/CFRecombinant Human IL-36 alpha/IL-1F6, CF (25 UG)25 UG4280
R&D Systems1079-NE-050Recombinant Mouse Neogenin Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1080-CY-010Recombinant Human Cathepsin V, CF (10 UG)10 UG4280
R&D Systems1081-IL-020Recombinant Human IL-2 (Cys145Ser) (20 UG)20 UG2850
R&D Systems1081-IL-020/CFRecombinant Human IL-2 (Cys145Ser), CF (20 UG)20 UG2850
R&D Systems1082-CR-025Recombinant Cotton Rat IFN-alpha (Cys109Tyr) (25 UG)25 UG3760
R&D Systems1082-CR-025/CFRecombinant Cotton Rat IFN-alpha (Cys109Tyr), CF (25 UG)25 UG3760
R&D Systems1083-AB-050Recombinant Mouse IFN-alpha/beta R2 Fc Chimera, CF (50 UG)50 UG4280
R&D Systems1084-M2-025Recombinant Cotton Rat MIP-2 (25 UG)25 UG4280
R&D Systems1084-M2-025/CFRecombinant Cotton Rat MIP-2, CF (25 UG)25 UG4280
R&D Systems1085-AR-025Recombinant Mouse Artemin (25 UG)25 UG4280
R&D Systems1085-AR-025/CFRecombinant Mouse Artemin, CF (25 UG)25 UG4280
R&D Systems1086-PD-050Recombinant Human PD-1 Fc Chimera, CF (50 UG)50 UG4410
R&D Systems1087-BP-025Recombinant Human IL-22BP Fc Chimera, CF (25 UG)25 UG4280
R&D Systems1088-B2-200Recombinant Zebrafish Ephrin-B2 Fc Chimera, CF (200 UG)200 UG4280
R&D Systems1089-R2-025Recombinant Human TNF RII/TNFRSF1B (aa 24-206) (25 UG)25 UG4150
R&D Systems1089-R2-025/CFRecombinant Human TNF RII/TNFRSF1B (aa 24-206), CF (25 UG)25 UG4150
R&D Systems109-OP-050Bovine Osteopontin (OPN) (50 UG)50 UG3110
R&D Systems109-OP-050/CFBovine Osteopontin (OPN), CF (50 UG)50 UG3110
R&D Systems1090-TW-025Recombinant Human TWEAK/TNFSF12 (25 UG)25 UG4280
R&D Systems1090-TW-025/CFRecombinant Human TWEAK/TNFSF12, CF (25 UG)25 UG4280
R&D Systems1091-CK-025Recombinant Mouse CXCL7/Thymus Chemokine-1 (aa 48-109) (25 UG)25 UG4280
R&D Systems1091-CK-025/CFRecombinant Mouse CXCL7/Thymus Chemokine-1 (aa 48-109), CF (25 UG)25 UG4280

 

我們公司zui大優(yōu)勢是強(qiáng)大的采購,

1:基本什么都能進(jìn)口,血清,抗體,耗材,還有部分限制進(jìn)口的,

2:貨品全,現(xiàn)經(jīng)營過700多個(gè)品牌,基本所有生物試劑耗材都可以進(jìn)口,特別是冷偏的產(chǎn)品那就更有優(yōu)勢,

3:提供加急服務(wù),一般1-2周到貨,超過時(shí)限加急費(fèi)全免

4:價(jià)格公道,絕大部分價(jià)格有優(yōu)勢,當(dāng)然不能保證100%產(chǎn)品都是,因?yàn)橐馕吨鴽]有服務(wù).

5:良好的信譽(yù),大部分客戶我們提供貨到付款服務(wù),客戶包括清華,北大 交大 復(fù)旦,中山等100多所大學(xué),ROCHE,阿斯利康,國藥 ,fisher等500多家公司

6:我們還是Santa,Advanced Biotechnologies Inc, Omicron,bangs,BBInternational,crystalchem,dianova,FD Neurotechnologies,Inc. Dako,Inc, GePromegaridege, Glycotope Biotechnology GmbH; iduron,Innovative Research of America, Ludger, neuroprobe,Omicron, Polysciences,prospecbi, QA-BIO,quickzyme,FULLERLABS,INC,sterlitech;sysy,TriLink BioTechnologies,Inc;worthington-biochem,zyagen等幾十家國外公司授權(quán)代理。
7:我們還是invitrogen,qiagen,Omicronam,sigma;Promega,roche,merck, rnd,BD, GE,pierce,BioLegend等*批發(fā),歡迎合作。

 

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