光电材料-上海康满林

名称及描述		价格/规格	快速订购
KL-1613080-695 4'-(9H-咔唑-9-基)-N-(4-(二苯并[b,d]呋喃-2-基)苯基)-N-(4-(三苯基硅烷基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]furan-2-yl)phenyl)-N-(4-(triphenylsilyl)phenyl)-[1,1'-biphenyl]-4-amine	1613080-69-5 C₆₆H₄₆N₂OSi 911.19	需询价	价格库存

KL-2507695-874 4'-(9H-咔唑-9-基)-N-(4-(二苯并[b,d]噻吩-2-基)苯基)-N-(4-(萘-2-基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]thiophen-2-yl)phenyl)-N-(4-(naphthalen-2-yl)phenyl)-[1,1'-biphenyl]-4-amine	2507695-87-4 C₅₈H₃₈N₂S 795.02	需询价	价格库存

KL-2507695-410 4'-(9H-咔唑-9-基)-N-(4-(二苯并[b,d]呋喃-4-基)苯基)-N-(4-(萘-1-基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]furan-4-yl)phenyl)-N-(4-(naphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine	2507695-41-0 C₅₈H₃₈N₂O 778.95	需询价	价格库存

KL-1824680-127 4'-(9H-咔唑-9-基)-N-(4-(萘-2-基)苯基)-N-(3-(9-苯基-9H-芴-9-基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(naphthalen-2-yl)phenyl)-N-(3-(9-phenyl-9H-fluoren-9-yl)phenyl)-[1,1'-biphenyl]-4-amine	1824680-12-7 C₆₅H₄₄N₂ 853.08	需询价	价格库存

KL-2768080-506 4'-(9H-咔唑-9-基)-N-(4-(荧蒽-3-基)苯基)-N-(4-(4-苯基萘-1-基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(fluoranthen-3-yl)phenyl)-N-(4-(4-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine	2768080-50-6 C₆₈H₄₄N₂ 889.11	需询价	价格库存

KL-3007561-590 4'-(9H-咔唑-9-基)-N-(4-(萘-2-基)苯基)-N-(4-(8-苯基萘-1-基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(naphthalen-2-yl)phenyl)-N-(4-(8-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine	3007561-59-0 C₆₂H₄₂N₂ 815.03	需询价	价格库存

KL-3007561-749 4'-(9H-咔唑-9-基)-N-(4-(8-苯基萘-1-基)苯基)-N-(4-(8-苯基萘-2-基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(8-phenylnaphthalen-1-yl)phenyl)-N-(4-(8-phenylnaphthalen-2-yl)phenyl)-[1,1'-biphenyl]-4-amine	3007561-74-9 C₆₈H₄₆N₂ 891.13	需询价	价格库存

KL-2768080-200 4'-(9H-咔唑-9-基)-N-(4-(荧蒽-3-基)苯基)-N-(4-(萘-1-基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(fluoranthen-3-yl)phenyl)-N-(4-(naphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine	2768080-20-0 C₆₂H₄₀N₂ 813.02	需询价	价格库存

KL-3007561-885 4'-(9H-咔唑-9-基)-N-(4-(二苯并[b,d]噻吩-1-基)苯基)-N-(4-(8-苯基萘-1-基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]thiophen-1-yl)phenyl)-N-(4-(8-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine	3007561-88-5 C₆₄H₄₂N₂S 871.11	需询价	价格库存

KL-2991556-411 4'-(9H-咔唑-9-基)-N-(4-(萘-1-基)苯基)-N-(3-(2-苯基萘-1-基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(naphthalen-1-yl)phenyl)-N-(3-(2-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine	2991556-41-1 C₆₂H₄₂N₂ 815.03	需询价	价格库存

KL-1206734-395 (([1,1'-联苯]-4,4'-二基双([1,1'-联苯]-4-基氮杂ne二基))双(4,1-亚苯基))双(丁烷-4,1-二基) 双(2-甲基丙烯酸酯) (([1,1'-biphenyl]-4,4'-diylbis([1,1'-biphenyl]-4-ylazanediyl))bis(4,1-phenylene))bis(butane-4,1-diyl) bis(2-methylacrylate)	1206734-39-5 C₆₄H₆₀N₂O₄ 921.19	需询价	价格库存

KL-2631014-838 4'-(12-(萘-2-基)苯并[b]萘并[1,8-ef][1,4]二氮杂环庚烷-7(12H)-基)-N,N-二苯基-[1,1'-联苯]-4-胺 4'-(12-(naphthalen-2-yl)benzo[b]naphtho[1,8-ef][1,4]diazepin-7(12H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine	2631014-83-8 C₅₀H₃₅N₃ 677.85	需询价	价格库存

KL-1687755-834 4'-(7-(二苯并[b,d]噻吩-4-基)-3-苯基吡咯并[3,2-a]咔唑-10(3H)-基)-N,N-二苯基-[1,1'-联苯]-4-胺 4'-(7-(dibenzo[b,d]thiophen-4-yl)-3-phenylpyrrolo[3,2-a]carbazol-10(3H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine	1687755-83-4 C₅₆H₃₇N₃S 783.99	需询价	价格库存

KL-2896173-741 4'-(3-(2,7-双-叔丁基-9-苯基-9H-芴-9-基)-6-苯基-9H-咔唑-9-基)-N,N-二苯基-[1,1'-联苯]-4-胺 4'-(3-(2,7-di-tert-butyl-9-phenyl-9H-fluoren-9-yl)-6-phenyl-9H-carbazol-9-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine	2896173-74-1 C₆₉H₅₈N₂ 915.24	需询价	价格库存

KL-2896175-543 4'-(3-(2,7-二异丙基-9-(4-异丙基苯基)-9H-芴-9-基)-9H-咔唑-9-基)-N,N-二苯基-[1,1'-联苯]-4-胺 4'-(3-(2,7-diisopropyl-9-(4-isopropylphenyl)-9H-fluoren-9-yl)-9H-carbazol-9-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine	2896175-54-3 C₆₄H₅₆N₂ 853.17	需询价	价格库存

KL-2088196-998 4'-(5-(萘-2-基)吲哚并[3,2-a]咔唑-12(5H)-基)-N,N-二苯基-[1,1'-联苯]-4-胺 4'-(5-(naphthalen-2-yl)indolo[3,2-a]carbazol-12(5H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine	2088196-99-8 C₅₂H₃₅N₃ 701.87	需询价	价格库存

KL-1427211-184 N-(4-(叔丁基)苯基)-4'-(9H-咔唑-9-基)-N-(4-(9-苯基-9H-咔唑-2-基)苯基)-[1,1'-联苯]-4-胺 N-(4-(tert-butyl)phenyl)-4'-(9H-carbazol-9-yl)-N-(4-(9-phenyl-9H-carbazol-2-yl)phenyl)-[1,1'-biphenyl]-4-amine	1427211-18-4 C₅₈H₄₅N₃ 784.02	需询价	价格库存

KL-3078617-270 4'-(9H-咔唑-9-基)-N-(4-(1,2-二氢苊-5-基)苯基)-N-(4-(萘-1-基)苯基)-[1,1'-联苯]-4-胺 4'-(9H-carbazol-9-yl)-N-(4-(1,2-dihydroacenaphthylen-5-yl)phenyl)-N-(4-(naphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine	3078617-27-0 C₅₈H₄₀N₂ 764.97	需询价	价格库存

KL-3065092-830 4'-(3,6-双(苯并[b]噻吩-2-基)-9H-咔唑-9-基)-N,N-双(3,5-二甲基苯基)-[1,1'-联苯]-4-胺 4'-(3,6-bis(benzo[b]thiophen-2-yl)-9H-carbazol-9-yl)-N,N-bis(3,5-dimethylphenyl)-[1,1'-biphenyl]-4-amine	3065092-83-0 C₅₆H₄₂N₂S₂ 807.09	需询价	价格库存

KL-3065090-185 4'-(3,6-双(3-(苯并呋喃-2-基)苯基)-9H-咔唑-9-基)-N-(4-(叔丁基)苯基)-N-苯基-[1,1'-联苯]-4-胺 4'-(3,6-bis(3-(benzofuran-2-yl)phenyl)-9H-carbazol-9-yl)-N-(4-(tert-butyl)phenyl)-N-phenyl-[1,1'-biphenyl]-4-amine	3065090-18-5 C₆₈H₅₀N₂O₂ 927.16	需询价	价格库存

4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]furan-2-yl)phenyl)-N-(4-(triphenylsilyl)phenyl)-[1,1'-biphenyl]-4-amine

KL-1613080-695

4'-(9H-咔唑-9-基)-N-(4-(二苯并[b,d]呋喃-2-基)苯基)-N-(4-(三苯基硅烷基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]furan-2-yl)phenyl)-N-(4-(triphenylsilyl)phenyl)-[1,1'-biphenyl]-4-amine

1613080-69-5 C₆₆H₄₆N₂OSi 911.19

需询价

价格库存

4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]thiophen-2-yl)phenyl)-N-(4-(naphthalen-2-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-2507695-874

4'-(9H-咔唑-9-基)-N-(4-(二苯并[b,d]噻吩-2-基)苯基)-N-(4-(萘-2-基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]thiophen-2-yl)phenyl)-N-(4-(naphthalen-2-yl)phenyl)-[1,1'-biphenyl]-4-amine

2507695-87-4 C₅₈H₃₈N₂S 795.02

需询价

价格库存

4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]furan-4-yl)phenyl)-N-(4-(naphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-2507695-410

4'-(9H-咔唑-9-基)-N-(4-(二苯并[b,d]呋喃-4-基)苯基)-N-(4-(萘-1-基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]furan-4-yl)phenyl)-N-(4-(naphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

2507695-41-0 C₅₈H₃₈N₂O 778.95

需询价

价格库存

4'-(9H-carbazol-9-yl)-N-(4-(naphthalen-2-yl)phenyl)-N-(3-(9-phenyl-9H-fluoren-9-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-1824680-127

4'-(9H-咔唑-9-基)-N-(4-(萘-2-基)苯基)-N-(3-(9-苯基-9H-芴-9-基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(naphthalen-2-yl)phenyl)-N-(3-(9-phenyl-9H-fluoren-9-yl)phenyl)-[1,1'-biphenyl]-4-amine

1824680-12-7 C₆₅H₄₄N₂ 853.08

需询价

价格库存

4'-(9H-carbazol-9-yl)-N-(4-(fluoranthen-3-yl)phenyl)-N-(4-(4-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-2768080-506

4'-(9H-咔唑-9-基)-N-(4-(荧蒽-3-基)苯基)-N-(4-(4-苯基萘-1-基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(fluoranthen-3-yl)phenyl)-N-(4-(4-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

2768080-50-6 C₆₈H₄₄N₂ 889.11

需询价

价格库存

4'-(9H-carbazol-9-yl)-N-(4-(naphthalen-2-yl)phenyl)-N-(4-(8-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-3007561-590

4'-(9H-咔唑-9-基)-N-(4-(萘-2-基)苯基)-N-(4-(8-苯基萘-1-基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(naphthalen-2-yl)phenyl)-N-(4-(8-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

3007561-59-0 C₆₂H₄₂N₂ 815.03

需询价

价格库存

4'-(9H-carbazol-9-yl)-N-(4-(8-phenylnaphthalen-1-yl)phenyl)-N-(4-(8-phenylnaphthalen-2-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-3007561-749

4'-(9H-咔唑-9-基)-N-(4-(8-苯基萘-1-基)苯基)-N-(4-(8-苯基萘-2-基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(8-phenylnaphthalen-1-yl)phenyl)-N-(4-(8-phenylnaphthalen-2-yl)phenyl)-[1,1'-biphenyl]-4-amine

3007561-74-9 C₆₈H₄₆N₂ 891.13

需询价

价格库存

4'-(9H-carbazol-9-yl)-N-(4-(fluoranthen-3-yl)phenyl)-N-(4-(naphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-2768080-200

4'-(9H-咔唑-9-基)-N-(4-(荧蒽-3-基)苯基)-N-(4-(萘-1-基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(fluoranthen-3-yl)phenyl)-N-(4-(naphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

2768080-20-0 C₆₂H₄₀N₂ 813.02

需询价

价格库存

4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]thiophen-1-yl)phenyl)-N-(4-(8-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-3007561-885

4'-(9H-咔唑-9-基)-N-(4-(二苯并[b,d]噻吩-1-基)苯基)-N-(4-(8-苯基萘-1-基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(dibenzo[b,d]thiophen-1-yl)phenyl)-N-(4-(8-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

3007561-88-5 C₆₄H₄₂N₂S 871.11

需询价

价格库存

4'-(9H-carbazol-9-yl)-N-(4-(naphthalen-1-yl)phenyl)-N-(3-(2-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-2991556-411

4'-(9H-咔唑-9-基)-N-(4-(萘-1-基)苯基)-N-(3-(2-苯基萘-1-基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(naphthalen-1-yl)phenyl)-N-(3-(2-phenylnaphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

2991556-41-1 C₆₂H₄₂N₂ 815.03

需询价

价格库存

(([1,1'-biphenyl]-4,4'-diylbis([1,1'-biphenyl]-4-ylazanediyl))bis(4,1-phenylene))bis(butane-4,1-diyl) bis(2-methylacrylate)

KL-1206734-395

(([1,1'-联苯]-4,4'-二基双([1,1'-联苯]-4-基氮杂ne二基))双(4,1-亚苯基))双(丁烷-4,1-二基) 双(2-甲基丙烯酸酯)

(([1,1'-biphenyl]-4,4'-diylbis([1,1'-biphenyl]-4-ylazanediyl))bis(4,1-phenylene))bis(butane-4,1-diyl) bis(2-methylacrylate)

1206734-39-5 C₆₄H₆₀N₂O₄ 921.19

需询价

价格库存

4'-(12-(naphthalen-2-yl)benzo[b]naphtho[1,8-ef][1,4]diazepin-7(12H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

KL-2631014-838

4'-(12-(萘-2-基)苯并[b]萘并[1,8-ef][1,4]二氮杂环庚烷-7(12H)-基)-N,N-二苯基-[1,1'-联苯]-4-胺

4'-(12-(naphthalen-2-yl)benzo[b]naphtho[1,8-ef][1,4]diazepin-7(12H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

2631014-83-8 C₅₀H₃₅N₃ 677.85

需询价

价格库存

4'-(7-(dibenzo[b,d]thiophen-4-yl)-3-phenylpyrrolo[3,2-a]carbazol-10(3H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

KL-1687755-834

4'-(7-(二苯并[b,d]噻吩-4-基)-3-苯基吡咯并[3,2-a]咔唑-10(3H)-基)-N,N-二苯基-[1,1'-联苯]-4-胺

4'-(7-(dibenzo[b,d]thiophen-4-yl)-3-phenylpyrrolo[3,2-a]carbazol-10(3H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

1687755-83-4 C₅₆H₃₇N₃S 783.99

需询价

价格库存

4'-(3-(2,7-di-tert-butyl-9-phenyl-9H-fluoren-9-yl)-6-phenyl-9H-carbazol-9-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

KL-2896173-741

4'-(3-(2,7-双-叔丁基-9-苯基-9H-芴-9-基)-6-苯基-9H-咔唑-9-基)-N,N-二苯基-[1,1'-联苯]-4-胺

4'-(3-(2,7-di-tert-butyl-9-phenyl-9H-fluoren-9-yl)-6-phenyl-9H-carbazol-9-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

2896173-74-1 C₆₉H₅₈N₂ 915.24

需询价

价格库存

4'-(3-(2,7-diisopropyl-9-(4-isopropylphenyl)-9H-fluoren-9-yl)-9H-carbazol-9-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

KL-2896175-543

4'-(3-(2,7-二异丙基-9-(4-异丙基苯基)-9H-芴-9-基)-9H-咔唑-9-基)-N,N-二苯基-[1,1'-联苯]-4-胺

4'-(3-(2,7-diisopropyl-9-(4-isopropylphenyl)-9H-fluoren-9-yl)-9H-carbazol-9-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

2896175-54-3 C₆₄H₅₆N₂ 853.17

需询价

价格库存

4'-(5-(naphthalen-2-yl)indolo[3,2-a]carbazol-12(5H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

KL-2088196-998

4'-(5-(萘-2-基)吲哚并[3,2-a]咔唑-12(5H)-基)-N,N-二苯基-[1,1'-联苯]-4-胺

4'-(5-(naphthalen-2-yl)indolo[3,2-a]carbazol-12(5H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

2088196-99-8 C₅₂H₃₅N₃ 701.87

需询价

价格库存

N-(4-(tert-butyl)phenyl)-4'-(9H-carbazol-9-yl)-N-(4-(9-phenyl-9H-carbazol-2-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-1427211-184

N-(4-(叔丁基)苯基)-4'-(9H-咔唑-9-基)-N-(4-(9-苯基-9H-咔唑-2-基)苯基)-[1,1'-联苯]-4-胺

N-(4-(tert-butyl)phenyl)-4'-(9H-carbazol-9-yl)-N-(4-(9-phenyl-9H-carbazol-2-yl)phenyl)-[1,1'-biphenyl]-4-amine

1427211-18-4 C₅₈H₄₅N₃ 784.02

需询价

价格库存

4'-(9H-carbazol-9-yl)-N-(4-(1,2-dihydroacenaphthylen-5-yl)phenyl)-N-(4-(naphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

KL-3078617-270

4'-(9H-咔唑-9-基)-N-(4-(1,2-二氢苊-5-基)苯基)-N-(4-(萘-1-基)苯基)-[1,1'-联苯]-4-胺

4'-(9H-carbazol-9-yl)-N-(4-(1,2-dihydroacenaphthylen-5-yl)phenyl)-N-(4-(naphthalen-1-yl)phenyl)-[1,1'-biphenyl]-4-amine

3078617-27-0 C₅₈H₄₀N₂ 764.97

需询价

价格库存

4'-(3,6-bis(benzo[b]thiophen-2-yl)-9H-carbazol-9-yl)-N,N-bis(3,5-dimethylphenyl)-[1,1'-biphenyl]-4-amine

KL-3065092-830

4'-(3,6-双(苯并[b]噻吩-2-基)-9H-咔唑-9-基)-N,N-双(3,5-二甲基苯基)-[1,1'-联苯]-4-胺

4'-(3,6-bis(benzo[b]thiophen-2-yl)-9H-carbazol-9-yl)-N,N-bis(3,5-dimethylphenyl)-[1,1'-biphenyl]-4-amine

3065092-83-0 C₅₆H₄₂N₂S₂ 807.09

需询价

价格库存

4'-(3,6-bis(3-(benzofuran-2-yl)phenyl)-9H-carbazol-9-yl)-N-(4-(tert-butyl)phenyl)-N-phenyl-[1,1'-biphenyl]-4-amine

KL-3065090-185

4'-(3,6-双(3-(苯并呋喃-2-基)苯基)-9H-咔唑-9-基)-N-(4-(叔丁基)苯基)-N-苯基-[1,1'-联苯]-4-胺

4'-(3,6-bis(3-(benzofuran-2-yl)phenyl)-9H-carbazol-9-yl)-N-(4-(tert-butyl)phenyl)-N-phenyl-[1,1'-biphenyl]-4-amine

3065090-18-5 C₆₈H₅₀N₂O₂ 927.16

需询价

价格库存

光电材料

创新化学，赋能未来