Today, we understand that the domestic price of monoammonium continues to drop. It is reported that the price of 55% powdered monoammonium low-end pick-up stations in Shandong has fallen below 2,000 yuan/ton, and the trade price of spot traders in some regions is 2,000 yuan/ton. Some compound fertilizer plants indicated that, with the current compound fertilizer operating rate, an ammonium stock can be used in the fall. 64% diammonium Liaocheng wholesale price of 3100 yuan / ton, traders wait and see, bearish attitude does not dare to replenish. As the phosphate fertilizer market continues to weaken, some analysts expect the raw materials, etc., will continue to adjust downward this week, and the market price of the industrial chain will fall. A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis. Lenses are made from materials such as glass or plastic, and are ground and polished or moulded to a desired shape
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