1. All kinds of oil, chemical tank farm；
2.The whole system engineering：Circulating water, air purification, air, nitrogen, non purifying boiler, torch, loading and unloading, pipe bridge engineering design.
Panjin Hongye Petrochemical Co., Ltd.
Shandong Huasheng Chemical Co., Ltd.
Shandong Lehua Group Co., Ltd.
Guangrao Kelida Petrochemical Technology Co., Ltd.