China's homegrown nuclear technology is gaining ground in the battle for that nation's next generation of reactors, according to a state-owned developer, as it seeks to move on after delays and cost blowouts from imported designs.

China's reactor, known as the Hualong One, will be faster and easier to repair and maintain than competing foreign designs because it will be made domestically, according to Chen Hua, chief executive officer of China National Nuclear Power Co., which builds and operates nuclear power projects in the country.

"We prefer the Hualong One," Chen said in an interview Monday on the sidelines of a nuclear conference in Beijing.