Shanghai Green Tech Co.,Ltd. welcomes you to order supercapacitor energy storage samples to both test product quality, and our production capabilities. We may offer free samples for you, depending on the order quantity and cooperation period. For those who prefer long-term collaboration, we is willing to provid free samples. For more info on sample order policy, consult Customer Service through email or phone. If you intend to order several samples, it might actually make more sense to visit our factory and select samples on site instead. Shanghai Green Tech always welcomes you!
Shanghai Green Tech gives zest and enthusiasm in designing and manufacturing graphene battery. We provide the best product and the dedicated service our customers deserve. Shanghai Green Tech's graphene battery series contains multiple sub-products. Thanks to the design of our professional team, the super capacitor module has been widely popular in this industry. Product R&D center is equipped in GTCAP to develop more and better super capacitor module.
Our concept is to always keep graphene capacitor in mind. Ask!