In a statement on Friday, Sogavare's office said the Pacific Islands nation was broadening its security partnerships, and the Chinese police will add to the existing Australia and New Zealand policing support.
Riots in the capital Honiara in 2021 exposed gaps in the islands' policing, it said.
Opposition leader Matthew Wale said in a statement "policing is different in democracies than in communist countries and democracies must uphold human rights and due process".
The issue was not China's supply of security equipment, but the compatibility of Chinese and Pacific policing, said Meg Keen, director of the Lowy Institute's Pacific Islands programme.
Solomon Islands has a population of 700,000, across an archipelago that occupies a strategic position in the Pacific Islands, and was pivotal to the U.S. move west across the Pacific to liberate the Philippines in World War Two.
Persons:
Manasseh Sogavare, Sogavare's, Penny Wong, Wang Yi, Sogavare, Matthew Wale, Meg Keen, Lowy, Wale, Kirsty Needham, Lincoln
Organizations:
SYDNEY, Solomon Islands, Australia's, Islands Government, Royal Solomon Islands Police Force, New Zealand, China's Global, Initiative, Global Security Initiative, Thomson
Locations:
Solomon, Australia, Beijing, Pacific, China, U.S, New Zealand, Solomon Islands, Jakarta, Islands, Honiara, Philippines, Taiwan, Washington, Canberra