It depends on whether you have specific requirements on graphene capacitor sample. Usually, a common product sample will be shipped as soon as the sample order has been placed. Once the sample is shipped out, we'll send you an email notification of your order status. If you experience delays in receiving your sample order, contact us immediately and we will help to confirm the status of your sample.
Shanghai Green Tech Co.,Ltd., engaged in the R&D and manufacture of graphene capacitor for many years, is competitive and has won recognization in this field. The graphene battery series has become a hot product of Shanghai Green Tech. The product provides customers with the desired functionality. Mature technology, standardized production and strict quality management system ensure the quality of graphene capacitor.
Our goal is to be the trusted manufacturer - design, produce, and deliver high-quality products for our customers and consumers and to provide outstanding services.