Our corporation has mastered core technology in the sphere of the key materials,battery directions for producing chemical and devoted itself to the industralization and application of Nickel-metal Hydride battery with self-dominated intellectual property after Chunlan has involved herself into researching for 9 years. Now Chunlan has gained twenty-eight patents including six investing patents,and researched & developed large capacity and high power Ni-MH battery series with the range from 8Ah to 100Ah.