The product is a high-efficiency, quick-acting carbamate insecticide. It has a broad insecticidal spectrum, rapid degradation, and low residue. It is suitable for more than 30 kinds of crops such as cotton, orange, cabbage and so on. It can control more than 120 kinds of pests and is a preventive and antibiotic. One of the effective agents for cotton bollworm. The aldehyde-methyl isocyanate route used in the production of this product is based on acetaldehyde, sulphuramine, sodium methanethiolate and methyl isocyanate as raw materials, and is synthesized by four steps of oximation, chlorination, methylthioation and condensation. The route is reasonable and feasible, the raw materials are easily available, the cost is low, the total yield (measured by acetaldehyde) is 70.9%, the content of methomyl in the product is more than 95%, and the purity of the original drug and the quality of the preparation are close to that of foreign counterparts. The product level and product yield are higher than those of domestic similar products. It has significant economic benefits. The technology has been built in Hunan Linxiang Pesticide Factory with an annual output of 300 tons of Methomyl's production facilities, which can simultaneously produce Methocarb and 25% methomyl EC. The promotion of this project can adopt technology transfer, technological transformation or partial transfer of existing domestic production devices.
Various products of Wolfberry Tea, providing product images and basic parameters with each Wolfberry Tea and High Quality Wolfberry tea; Lycium barbarum tea polyphenols easily oxidative change substances, can still drink overnight after brewing. The effect of Wolfberry Bud TeaGoji Berries is a treasure, its leaves, stems, flowers, seeds, roots and skins have health care effects. The wolfberry leaves, wolfberry bud most of the nutrients are hoarding in the shoots and young leaves, and set the whole body benefits of tea and Chinese wolfberry in one, is strong body, longevity, beauty and beauty of the best.We are a professional Chinese supplierLycium barbarum tea polyphenols easily oxidative change substances, can still drink overnight after brewing. The effect of wolfberry bud tea Goji berries is a treasure, its leaves, stems, flowers, seeds, roots and skins have health care effects. The wolfberry leaves, wolfberry bud most of the nutrients are hoarding in the shoots and young leaves, and set the whole body benefits of tea and Chinese wolfberry in one, is strong body, longevity, beauty and beauty of the best. of Wolfberry tea, and look forward to your cooperation!