Our company took the formaldehyde urea as the base, aimed at different crop type, different traits and crop growth rhythm, and different period to different nutrient need, based on all these, we produced "Lvyin" series slow-release complex fertilizer. At the same time, according to different customer's request, we have different formula by testing the soil. This kind of complex fertilizer is developed by mixing the quick-effective nitrogen, slow-effective nitrogen, phosphorus, kalium and so on main elements; Ca, Mg, S and so on middle weight elements; and zinc, boron, manganese and so on microelements. According to crops' fertilizing request, produced all kinds of colors and different grain size range grains. It is suitable for all kinds of crops, especially for all kinds of economic crops, sports lawn, golf court, fruit mountain lawn and landscape gardening.

This kind of fertilizer also can improve the soil, promote soil to form the granular structure, guarantee the soil moisture, prevent desertification and increase crops root system penetrating power performance. This liquid fertilizer meanwhile has several characteristic, such as protect the environment, improve the soil, economize resource, and save the labor force and so on. Its quality has reached the international advanced level.