Identification method The state has strict regulations on the labeling of compound fertilizer packaging bags: (1) It must be marked with the product name, trademark, nutrient content, production license number, standard number, net weight, factory name, site, and telephone number. (B) must be able and can only indicate the content of nitrogen, phosphorus, potassium and total nutrient content, such as: NPK fertilizer for each of the 15 compound fertilizer, said that 15-15-15, the total content of ≥ 45%. (3) The content of non-standard trace elements must not be included in the total content. If, after viewing, the logo does not meet the above requirements, it may be due to a problem with the quality of the product that is intended to mislead, deduct or deceive consumers. Hand feels hair Qualified compound fertilizers are usually made by high-temperature dissolving granulation and then dried. The stability is good, the hardness is high, and the hand-pinch is not broken. The inferior compound fertilizer has poor hardness and the hand kneading is fast or broken. Visual inspection Qualified compound fertilizers have been granulated with complex procedures with uniform particle size and uniform color. However, poor quality compound fertilizers are often processed without rough processing or coarsely mixed or mixed. The color is mixed and the particle size is not uniform. Some of them are not granulated and are powdery. The powdered compound fertilizer is banned by the government. Three-card identification method The three certificates refer to production licenses, fertilizer registration certificates, and product certifications. The qualified compound fertilizer products have complete three certificates and lack any of them. The quality of the products may be problematic, and farmers' friends should not buy them easily. 40m Laser Distance Meter is a functional and advanced measuring tools, no need climbing up and down, which is the engineers' best friends. No matter you have your own brand or not, JRT can help you to start with laser range finder business. JRT sold more than 1 million OEM laser distance meter modules last year, and we will triple or fifth times of that quantity. Distance Measure Meter,40M Laser Distance Measure,Laser Distance Meter 40M,40M Laser Distance Meter Chengdu JRT Meter Technology Co., Ltd , https://www.accuracysensor.com
We accept OEM/ODM and customized product.
>1. Logo printed customized: at the back of the instruments etc.
>2. Distance customized: 40m, 60m, 100m, 150m.
>3. Package box customized