ZTTEK is a manufacturer of lithium battery cells&batteries, sited in Jiangsu China. Shanghai Harz is a ZTTEK company for domestic sales and export business. We make pouch & prismatic LFP cells and started to produce solid-state cells in 2022. There’s also an ongoing R&D project for a sodium-ion battery. Based on our strength in lithium cells, we make and supply battery products for telecom power backup, solar energy storage, e-bikes, and other applications. We’re a long-term supplier for reputable Chinese companies, such as China Tower, the biggest telecom infrastructure provider in China.