Duc Giang Chemicals and Detergent Powder JSC (DGC) group is the largest yellow phosphorus manufacturer in Vietnam. DGC operates in the detergent powder and chemicals manufacturing sector, but most of DGC’s revenue is contributed by its subsidiaries and associated companies. DGL, a subsidiary that manufactures yellow phosphorus and phosphorus fertilizers, plays an important role since it contributes nearly 86% of total revenue for DGC.