A national-level economic and technological development zone located on the northern coast of Weifang City, on the southern shore of Laizhou Bay in the Bohai Sea. Equipped with a deep-water port and a port-access railway, it serves as a key port-adjacent industrial base within the Bohai Rim Economic Zone.With a planned area of 677 square kilometers and abundant land resources, the zone focuses on developing industries such as salt chemicals, marine equipment manufacturing, new materials, and new energy. The zone is building a high-end salt chemical circular industrial park and a marine power equipment base, and has established multiple specialized industrial parks. Supporting facilities include a seawater desalination plant, a thermal power plant, a hazardous chemical logistics park, and a comprehensive bonded zone. It benefits from multiple policy supports as a National-level Economic and Technological Development Zone, a Marine Economy Demonstration Zone, and a Comprehensive Pilot Zone for the Transformation of New and Old Growth Drivers.