Hand-processed gypsum

Now, if it is a professional manual plaster processing factory, it is actually cooked by machine and produced automatically, but it retains the characteristics of manual black plaster.

Because it is produced by machine, the requirements for manufacturers are higher. Because the manual black plaster needs to be used in strict accordance with the correct method,

However, the manufacturing steps will be relatively complicated, and the plaster ratio will be tested in production. The order of adding medicinal materials and related technologies are also very different. At the same time, a good handmade black plaster can only be processed if it is completely qualified.