NAY PYI TAW, Nov. 12 (Xinhua) -- Myanmar State Counselor Aung San Suu Kyi left Nay Pyi Taw Monday to pay a visit to Singapore and attend the 33rd summit of the Association of Southeast Asian Nations (ASEAN) and related meetings, said the Foreign Ministry.

Her visit was at the invitation of Singapore Prime Minister Lee Hsien Loong. Suu Kyi paid a working visit to the Southeast Asian nation in August.

Singapore is Myanmar's second largest investor with 19.644 billion U.S. dollars in 287 projects as of August 2018 since late 1988, accounting for 25.42 percent of the total foreign investment in the country.

A total of over 200 Singaporean firms have been permitted to operate in Myanmar, according to the Myanmar Investment Commission.

Trade between Myanmar and Singapore reached 3.8 billion U.S. dollars in the fiscal year 2017-18 which ended in March, up 833 million dollars or 28 percent from 2.967 billion dollars in 2016-17, according to statistics of the Commerce Ministry.