After Chu Yi and his family talked about the Xinxian order, the family members helped to make suggestions, not to mention that the other party is the head of a county, just being able to make this kind of coffin is also a good buying point, and it is also quite beneficial to their own business in the future.

As a person with the soul of scientific and technological social life experience, when I hear the requirements of waterproof and moisture-proof, as well as good air tightness, the first thing that comes to mind is those high-tech coating coatings, or modern products such as rubber and plastics.

But these things are not available at the moment, but when it comes to paint: "If you paint the wood with a few more layers of wood paint or something, I wonder if it will be more waterproof?" ”

Third Uncle Chu......

Chapter 311 of "The Little Lady in the Coffin Shop" is in the middle of the hand, please wait a while,

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