Nowadays, the pesticide market is mixed, and the pesticide products are even more mixed. How can farmers' friends distinguish between good and bad pesticides? Let's take a detailed analysis of the pesticide network . 1. Confirm that the pesticide products purchased are “three certificates complete†[pesticide registration number, pesticide approval certificate number, quality standard number]. 2, carefully check the label on the pesticide bottle: the label must contain the active ingredients, production batch number, expiration date, use method, precautions, product weight, manufacturer icon, first aid measures. All labels are filed and inquired at the Pesticide Testing Institute of the Ministry of Agriculture. Products that are not registered for registration must be fake. 3. When purchasing pesticide products, you should ask for an invoice or receipt. The contents should include the basic information such as the product name, quantity, price, date of purchase, and name of the dealer. The information on the invoice or receipt should match the product. Do not purchase products from dealers who refuse to provide official invoices or receipts. 4, buy pesticide products in the local reputable, avoid buying pesticides with low visibility, do not trust the products that the dealers have tried hard to recommend but have never heard of or used, and do not believe in exaggerated text guarantees. 5. Use the anti-counterfeiting means provided by the legal manufacturer [for example, 400 telephones] to identify the true and false. For more pesticide information, please pay attention to the pesticide information network () In order to solve problems of Chemical Dosing System in water supply plant,such as poor mixing and flocculation effect,low automation and large chemical dosage,the technical reconstruction of chemical dosing system was performed,and polymeric ferric sulfate was replaced by polymeric aluminum ferric chloride.The automation level is improved,the chemical consumption is reduced by 22%,the chemical cost of 340 000 yuan is saved annually,and the labor intensity is reduced. Chemical Dosing System For Water Treatment Acid Dosing Device, Chlorine Dioxide Dosing System, Flocculant Dosing System, Chemical Dosing System Nanjing Ligong Shuifu Environmental Protection Technology Co.,Ltd. , http://www.watermanclo2.com