FAQ
Split leather
Broken leather is the leftover material left over from the production of the whole head leather. There are various colors (the color needs to be changed after leaving the factory, and some broken leather will be decolorized and faded after use). But it belongs to the head leather after all. It will …
?Distinguishing method of the first layer and the
I'm expert in touch. I feel like meat. Layman, press by hand, there are wrinkles, leather material is not thick, is the real cowhide, that is, the first layer of skin, and vice versa is the second layer of skin In terms of format size, the first layer skin basically retains the whole area of wet…
Introduction of urea ammonium nitrate solution
Urea ammonium nitrate solution (UA) is a kind of aqueous solution of urea and ammonium nitrate. Because the mixture of urea and ammonium nitrate has very low critical relative humidity (18% at 30 ° C), liquid can only be used as fertilizer at room temperature. Compared with the traditional nitrog…
What are the advantages of water soluble fertilize
Compared with traditional superphosphate and granulated compound fertilizer, water-soluble fertilizer has obvious advantages. It is a kind of quick acting fertilizer with good water solubility and no residue. It can be completely dissolved in water and can be directly absorbed and utilized by the ro…
Methods and skills of water soluble fertilizer
Nowadays, as a new type of fertilizer, water-soluble fertilizer, compared with traditional fertilizer, not only has a variety of formulas, but also has a very flexible application method. It can irrigate the soil, make the plant roots fully contact with the fertilizer, and enjoy breathing all kinds …
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