The move wraps up a year-old trade case in which U.S. manufacturers accused Chinese companies of flooding the market with unfairly cheap goods.

With American trade officials having finalised steep tariffs on solar cell imports from Southeast Asia, Chinese solar manufacturers have been tapping more regions for factory plans in a bid to secure alternative shipping routes to the US.

U.S. trade officials have finalized significant tariffs on most solar cells imported from Southeast Asia, a pivotal move in a year-long investigation targeting unfair trade practices. The case was initiated by