Tianneng Power International Ltd. operates as an investment holding company, which engages in the provision of corporate management services. The company employs 20,709 full-time employees The company went IPO on 2007-06-11. The firm operates its business through two segments. The Manufacturing Business segment is engaged in the manufacturing of lead-acid battery products, renewable resources product, lithium-ion battery products and others. The Trading segment is engaged in the trading business.