Money Magazine continues its series "Spotlight in Chinese Enterprises with a close up look at Tianneng Power, the mainland's biggest producer of batteries for electric bicycles. With the central government's focus on the promotion of vehicles that run on renewable energy, Tianneng Power is a beneficiary and is expected to show considerable growth. The company is also expected to expand its electric car battery production, but its focus on lead-acid batteries is not in line with the world trend, which has been to develop the cleaner and more powerful lithium-ion battery. Reporter: Alice Kan