Taiwanese boxship owner Wan Hai Lines has returned to Shanghai Waigaoqiao Shipbuilding with orders for eight containerships worth up to $980m. Two stock exchange filings show the Taipei-headquartered carrier has contracted one 9,200 teu ship and seven 11,000 teu vessels at the CSSC yard. The 9,200 teu unit, specified as methanol dual-fuel ready, is priced …