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| Company Type | : | Exporters |
| Country | : | Sunnyvale / China |
| Address | : | 640 W. California Avenue, Suite 210 Sunnyvale, California 94086/ Sunnyvale / China |
| : | 500-1000 | |
| Annual Revenue | : | 50-100 Million US$ |
| Contact | : | ZHOUGUANDA MS. ( Vice President ) |
| Web Site | : | http://www.topsentech.net |
| Phone | : | 86-000-00000000-0 |
| Fax | : | 86-000-0000000-0 |
| Brands | : | |
| Received Orders | : | 0 |
| Company Info | ||
| Topsen Technology is a world leading innovator and pioneer in graphene’s applications based in the United States. Since 2011 , Website:http://www.topsentech.net , Our parent companies have developed several lines for massive production of graphene and | ||
