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The Weifang Tainuo chemical industry Limited company is located in “the world kite” - - Weifang, south near the rubber Jinan railroad, north depends on 309 federal highways, the blue silver highway, the geographical position is superior, the traffic conditions are convenient. in 2006 sets up with joint forces by the original Shandong four stars in the bowl of the big dipper specialized team, is domestic devotes to the development green environmental protection safety product for the mission specialty company.
Which fertilizer is best for plants？

Fertilizer is an important means of production to promote the growth and development of crops and improve the efficiency of agricultural production. In the face of a wide variety of fertilizers, combined with their own production needs, according to the type, characteristics, ingredients, and efficacy of fertilizers, can be said to be the necessary knowledge of many agricultural producers.
Where is fertilizer used?

Farmers and families use fertilizer every day to help crops and gardens grow. Whether it’s a small garden for flowers or a large farm with thousands of acres of crops, fertilizers have been developed to help different crops grow in different soil and weather conditions.
Where fertilizer comes from?

Fertilizer is a substance added to the soil to improve plant growth and yield. Fertilizers were first used by ancient farmers, and with the discovery of the chemical needs for growing plants, fertilizer technology developed significantly. Modern synthetic fertilizers consist mainly of nitrogen, phosphorus, and potassium compounds, with the addition of secondary nutrients. The use of synthetic fertilizers has greatly improved the quality and quantity of food available today.
When fertilizers are added to one plant？

The fertilization method of potted plant fertilizer is different in each season. The spring and autumn season is the growing period of plants, and the demand for fertilizer is relatively large, so the amount of fertilizer needs to be increased. A small amount of fertilizer in summer, summer evening is the best time to fertilize, to avoid sunburn. When plants stop growing in winter, no fertilizer is needed.

Is there any toxicity of melamine tableware?

Views:1 Author:艾彩霞 Publish Time: 2018-10-30 Origin:Site

In our country, there is a special standard requirement for melamine tableware manufacturing technology. It is stipulated that melamine powder (melamine formaldehyde resin) must be used as the base material and a cellulose as the base material. Melamine tableware made according to the national standard is highly resistant to high temperature, high humidity, solvent resistance and alkali resistance.

Characteristic:

1, excellent solvent resistance.

2. The surface of the products is smooth, non-toxic, tasteless, resistant to fall, and can automatically extinguish the arc.

3. Various styles, easy to clean, strong and fall-resistant, widely used in tableware, daily necessities and other aspects.

Melamine plastic tableware, also known as imitation porcelain tableware, is widely used in fast food industry and children's catering industry because of its lightweight, beautiful, low temperature resistance (can be put directly into the refrigerator), resistance to boiling (can be steamed, boiled), pollution resistance, not easy to break and other properties, deeply loved by consumers and children.

Because of the high price of melamine powder, some illegal traders directly use urea-formaldehyde molding powder as raw material to produce; some use urea-formaldehyde molding powder as raw material, and then coat the surface of tableware with melamine powder. Tableware made from urea formaldehyde is harmful to the human body.

When the consumer chooses to buy, must first go to the regular store, the supermarket to buy, must not greedy cheap, in the stall to buy; Secondly, when choosing to buy depends on whether the utensils have obvious deformation, color difference, surface is smooth, the bottom is uneven, Decal patterns are clear, whether wrinkled and bubble, color tableware with a sheet Whether the white napkin is rubbed back and forth is faded. 2. How to use melamine tableware correctly because of the special molecular structure of melamine plastics, melamine tableware is not suitable for use in microwave oven, if used, cracking will occur.