Supplements

Although it is not explicitly mentioned in "Tiangong Kaiwu", the ancient text created around similar requirements is as follows:

Among the shops, there is a person who specializes in alkali, and the name is "Soda Ash Online". It involves a wide range of industries, searching for various products of alkali, and studying its quality, its source, and its use in detail. In terms of quality, it is clear that it is pure and miscellaneous, and distinguishes its color and luster; in terms of source, it is found in the production of mountains and rivers, and in the special places of other soil and mines; in use, it is common to the techniques of craftsmen and knows the needs of people's livelihood.

Everyone who comes to ask for it will be treated carefully and explained in detail. Or if there is a worker who wants to make utensils, and asks about the suitability of alkali for smelting and casting, he must use what he knows to teach him, and tell him how to match the heat and the amount of alkali, so as to help the utensils become strong. Or if there are people who want to manage their homes, and inquire about the matter of alkali and polyester, they will also learn the method in detail, showing an appropriate degree, so that the goods are clean and undamaged.

And the news from all over the world will be responded to quickly. Regardless of the world, based on faith, the goods must be true, and the price must be public. It is a reputation that spreads far and wide, and everyone depends on it. In one industry of alkali, it is a leader.