Japanese foreign minister Takeshi Iwaya raised "serious concerns" on Wednesday over China's military buildup as he met counterpart Wang Yi in Beijing, Tokyo said.

Talks between China and Japan's foreign ministers in Beijing have paved way for Japan to host China's foreign affairs chief next year, and mutual agreement to hold a security dialogue as soon as possible,

China and Japan agreed that Beijing’s top diplomat should visit in 2025, adding to the signs the two nations are repairing ties that have been strained in recent years.

The one-day visit is Takeshi Iwaya's first to Chinese capital since becoming Japan's foreign minister in October, to discuss thorny issues with his country's largest trading partner

Japanese Foreign Minister Iwaya Takeshi made his first trip to Beijing. He and Chinese Foreign Minister Wang Yi agreed to hold future talks on tense security issues after Chinese and Japanese leaders agreed to improve relations at their meeting in Peru for this year's APEC summit.

China and Japan agreed Wednesday to set up talks on often contentious security issues as they seek to improve a relationship riven in recent years by a range of issues, from territorial disputes to the discharge of water from Japan’s tsunami-wrecked nuclear power plant.