Judging from the sales data in recent years, Haitian soy sauce has made great contributions to the main business. As the leading brand of condiments in China, Haitian is ahead of its peers in production technology and quality control, so the quality is guaranteed.
As for your cough after eating, it should be related to your throat and so on. One of my colleagues can't drink green vegetable soup and cough immediately the next day, which is related to his health. If so, I suggest eating less, or going to the hospital to have a look at his throat and see what the problem is.
I hope you are in good health.