Longmao pickle processing factory. Yanji City is a county-level city under the jurisdiction of Yanbian Korean Autonomous Prefecture in Jilin Province and is also the capital of the autonomous prefecture. Yanji pickle freezer manufacturer is Longmao pickle processing factory. It was established on July 16, 2020. It is located in Helong Village Group 1, Xiaoying Town, Yanji City. Its business scope includes pickle processing, sales and other services.