Work on the Lach Huyen non-tariff, logistics and industrial zone project is scheduled to start on Saturday at the Dinh Vu-Cat Hai Economic Zone in Vietnam’s northern port city of Hai Phong. It will become the country’s largest non-tariff zone that will cover 752 hectares in the Dinh Vu-Cat Hai Economic Zone. The Lach Huyen non-tariff, logistics and industrial zone project will cover 752 hectares in the Dinh Vu-Cat Hai Economic Zone in Hai Phong City, northern Vietnam. It will become the country’s largest non-tariff zone that will cover 752 hectares in the Dinh Vu-Cat Hai Economic Zone. The Lach Huyen non-tariff, logistics and industrial zone project will cover 752 hectares in the Dinh Vu-Cat Hai Economic Zone in Hai Phong City, northern Vietnam.