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Heilongjiang Huasheng Graphite Co. Ltd
R&D and sales of graphene and graphene-related products, lubricant manufacturing, graphite and carbon products manufacturing, mineral oil manufacturing with formulated additives (excluding dangerous chemicals, flammable, expl
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Honor
patent for invention
Upload time：2021-06-03 Views：62 Back to list
| Issuing agency： | China National Intellectural Property AdministrationCNIPA | Delivery time ： | 2020-07-10 |
| Upload time ： | 2021-06-03 | Valid until ： | perpetual |
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