The reason for the lump is the displacement caused by the full absorption of water by the water absorption factor. You can buy some light materials without lump, but the price will be more expensive

I don't know. You can go to the local chamber of Commerce.

The United States is not a big country in diapers, so it is difficult to find. You can find China.

The price is about 13 yuan per kilogram. Different colors (dark and light) have different prices. There are also materials a and B.

Maybe. I don't know

According to the disinfection management measures issued by the Ministry of health, it mainly includes:1. Women's menstrual hygiene products (sanitary napkins, sanitary pads, sanitary plugs);2. Diapers and other excreta sanitary products (diapers, diapers (pads, paper), diaper pads);3. Skin and mucous membrane hygiene products (wet paper towel, sanitary wet paper towel, anti / bacteriostatic lotion);4. Contact lens care products (contact lens care solution, contact lens preservation solution, contact lens cleaner);5. Other disposable sanitary articles (tissue paper, tampon, cosmetic cotton / paper / towel, hand / finger cover, mask, paper tableware);6. Other articles included in the management of sanitary articles as stipulated by the Ministry of health.

You can use professional websites or official account numbers.