A delegation of Japanese opposition party lawmakers on Thursday agreed with China's ruling Communist Party to increase mutual high-level visits and dialogue to help promote healthy and stable Sino-Japanese relations, the leader of the Japanese group said.The Constitutional Democratic Party of Japan and the Communist Party signed a memorandum of understanding to boost cooperation and communication between them, according to Katsuya Okada, secretary general of Japan's main opposition force.The CDPJ lawmakers, on a four-day visit to China through Friday, met with Liu Jianchao, head of the Chin…READ FULL ARTICLE