Shanghai Green Tech Co.,Ltd. excels at cope with pre-sales and after-sales issues faced by our customers. Our after-sales service staff is made up of a group of seasoned consultants that provide outstanding customer services. Your satisfaction with our business and graphene capacitor is our objective!

After years of engagement, Shanghai Green Tech has become a well-known company with expertise in providing high-quality products such as graphene capacitor. The graphene battery series has become a hot product of Shanghai Green Tech. It abides by the testing requirements during the production. Shanghai Green Tech has a professional design service system.

We have set various environmental protection methods. We have made a serious effort in reducing the types of harmful chemicals that were previously found in products.