ZWDB has been a professional lithium battery manufacturer since 2014. We primarily customize various lithium batteries to meet the needs of our customers' products. Our batteries are mainly used in smart wearable devices, TWS earbuds, e-cigarettes, educational devices, telecommunications, portable printers, bio-signal measuring devices, GPS tracking, 3C digital products etc. ZWDB primarily produces prismatic lithium polymer batteries, lithium polymer cylindrical batteries, steel shell coin batteries, e-cigarette lithium batteries, and arc-shaped batteries. We are the second-largest smart watch battery manufacturer in the world, with a production capacity of 6. 5 million cells per month and a global market share of 5% (excluding the HEV market).