Keywords: dual-engine tugboat, river estuary operation, anti-wave performance, salt-fresh water navigation Yakai Dredging Manufacturing Machinery Co., Ltd. dual-power tugboats own strong anti-wave capacity, stable sailing in estuary salt-fresh mixed waters to tow dredgers and material barges. Consultation： WhatsApp/Tel:+86 13869631558 E-mail: nancy@yakaidredger.com
