Global shipping firm Evergreen and China Shipping have launched a joint weekly service between ports in Asia and locations in the US and Canada.

The PNW service, which began 14 October, will operate six ships of 5,500TEU with each carrier contributing three vessels, Evergreen said.

The service will call at ports in Japan, China, Hong Kong, Taiwan, Korea, the US and Canada.

The rotation will be: Ningbo-Shanghai-Kaohsiung-Nansha-Hong Kong-Yantian-Pusan-Tacoma-Seattle-Vancouver-Tokyo-Osaka-Ningbo.