Haitian, Chubang, Donggu, etc. The mustard cucumber is best made with light soy sauce such as Haitian, Chubang, Donggu, and Lee Kum Kee. It combines the aroma of soy sauce, freshness, and seafood. It uses super light soy sauce as the main ingredient and is paired with marine fish and shrimp refined by modern technology. The essence is rich in nutrients, rich in fragrance, fresh and sweet, and has a long-lasting seafood flavor.