Tianneng Battery Group Co., Ltd. (hereinafter referred to as Tianneng Battery, STAR Market stock code: 688819.SH, Hong Kong stock entity Tianneng Power 00819.HK), was founded in Changxing, Zhejiang in 1986. The joint-stock company was established in 2003 and listed on the Shanghai Stock Exchange STAR Market in 2021. It is a leading enterprise in China's new energy battery industry, mainly engaged in the entire industrial chain business of electric two-wheeler power batteries, energy storage batteries, automotive start-stop batteries, lithium batteries and related renewable resource recycling. It has multiple intelligent production bases around the world, with nearly 30,000 employees. It is deeply committed to green manufacturing and water resource recycling, and continuously implements ESG low-carbon management.

The project targets the treatment of lead-containing wastewater from lead-acid batteries, laundry wastewater, and the reuse of greywater.

Project deliverables:

Wastewater discharged in compliance with standards (200m)³/h）

Water reuse rate 70% (80m)³/h）

Lead emissions reduced by 95%