1, packaging, logo to see clearly At present, many fertilizer manufacturers in order to attract consumers' attention, make a big fuss on the fertilizer packaging, the packaging bags are very beautiful and attractive, but there are also inferior products. Recently, the relevant state regulations, the fertilizer packaging must use Chinese characters to indicate the product name, nutrient content, net weight, manufacturer name, address, etc. If the above logo or logo is not complete, it may be fake fertilizer or inferior fertilizer, so farmers friends Don't be confused by the outer packaging when buying fertilizer, see the packaging logo and buy the fertilizer.
2, the purchase of special fertilizers should be careful with the development of the fertilizer industry, a variety of special fertilizers emerge one after another, farmers friends have a special liking for special fertilizers, such as in the compound fertilizer, the ratio of nitrogen, phosphorus and potassium is really reasonable. The purpose of increasing production and increasing income, but there are some informal fertilizer manufacturers in order to cater to the farmers' psychology. Today is a special fertilizer for wheat. To change the packaging bag tomorrow, it will become a special fertilizer for corn and cotton, so farmers’ friends should Different, targeted selection of regular manufacturers of special fertilizer.
3, "follow the wave" is not desirable when the author went to the countryside to find: some farmers friends in the purchase of fertilizer "follow the flow", see what other people buy fertilizer, they also buy what fertilizer, there is blindness, randomness. The correct way is to choose fertilizer according to its own economic ability, land fertility and planting structure.
4, "good words" persuaded to be cautious to listen to the author had been investigated in the countryside, a considerable number of farmers listened to dealers to introduce fertilizer. I don't know that some unscrupulous dealers are driven by the interests, recommend some low-quality or even fake and counterfeit products to the people, and farmers' friends lack the knowledge to distinguish fertilizers, so it is easy to buy fake deterioration fertilizer. Therefore, farmers' friends should choose fertilizer according to the packaging label, and purchase fertilizer from the formal and highly credible agricultural resources department.
5, the purchase of fertilizer invoices do not forget that many regular fertilizer manufacturers to ensure product quality and protect the interests of farmers, have a quality sales credit card or invoice, if farmers use normal fertilization methods, loss due to quality, farmers friends Claims can be made with an invoice or credit card. Therefore, farmers should not forget to ask the dealer for an invoice or credit card when purchasing fertilizer.
Industrial sectional doors are the most durable and longest lasting doors to ensure circulation at the areas of the factory entrance and exit of goods, loading and unloading areas.
The body of sectional door is forming by 40 mm sandwich panels. These panels provides sound and heat insulation due to the intense doped polyurethane insulation was injected between galvanized steel sheet. (50 kg/m3).
Industrial sectional door systems provide space-saving with opening parallel to the ceiling.Any opening can be used clearly . and produces in accordance with the transition range and the height in the factory buildings or warehouses.
Doors is working sliding by be the most appropriate the gap between the top level of the gate with a ceiling height within the side rasils. The door can be mounted in different ways according to the gap distance (standard, low, highlift and vertical track systems).
Industrial sectional doors can easily be opened automaticly by 230-380 V-AC/50 Hz electric motor or manualy thanks to torsion spring system that balances the weight of the door.The galvanized springs are made to be durable of 25.000 door cycles.Motor with emergency chain All the drive systems have a mechanical back-up system fitted to the reduction gearbox of the electric motor, so that the sectional door can be opened if the power fails. The reduction gearbox can then be powered using the chain.
Industrial Sectional Door,Industrial Overhead Sectional Door,Industrial Warehouse Sectional Door,Industrial Garage Interior Sectional Door
Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hffreezerdoor.com