CREATE TABLE stats
(
  item character varying,
  data jsonb
);

it contains values like
ITEM        DATA
test1       [{"id":"1", "country":"UK"},{"id":"2", "country":"INDIA"}]
test2       [{"id":"1", "country":"US"},{"id":"4", "country":"CHINA"},{"id":"5", "country":"CHINA"}]

SELECT  * FROM   company_products_stats_overseas_view t
WHERE ( data @> '[{"country":"CHINA"}]')
and t.product_name ilike '%test%';

output : [{"id":"1", "country":"US"},{"id":"4", "country":"CHINA"},{"id":"5", "country":"CHINA"}]