Because China's wire and cable industry has low barriers to entry, investment in production scale is out of control, and low-level redundant construction is serious, with low concentration, many “shop-style enterprises” that do not necessarily have the necessary means of production capacity, quality control, and testing are also removed. among them. Coupled with the operating pressure caused by the continuous rise of raw materials, counterfeiting, shoddy work, cutting corners, and shoddy products continue to be prohibited, "non-standard" products are prevalent. As a result, not only is there a huge hidden security risk, but also the enterprises and distributors that are legally produced are struggling. At the same time, foreign-funded enterprises are eager to enter the Chinese market and occupy an absolute dominant market share in the high-end market. However, only a few cable varieties in China can meet the level that the international market can accept and can participate in competition, in high-performance, high-quality, There is still a big gap between high-value-added cables and international brands. In addition, with the promulgation of European Union WEEE Directives, ROHS Directives, and EUP Directives, a wave of greenery has been set off across the globe, which has caused many Chinese wire and cable manufacturers to encounter a trade barrier in the export process and the competitiveness of the international market has been met. weaken.

The biggest advantage of Chinese cable companies lies in the impressive domestic demand market. With the growth of the national economy, it is only a matter of time before China creates a world-class cable company. In the past 30 years of reform and opening up, China's wire and cable industry has continued to grow and develop. It has made important contributions to the development of the national economy and scientific and technological progress. At the same time, cable companies with production and sales scales of up to ten billion yuan, such as the Far East cable, have also emerged. The basics of cable companies. To become a truly world-class enterprise, Chinese cable companies must not only pursue quantitative expansion, but also pay more attention to comprehensive development in the aspects of global brand image, business model, technological innovation, and social responsibility.

Benzene series intermediates

Benzene, an organic compound, is the simplest aromatic hydrocarbon with a chemical formula of C6H6. At room temperature, it is a sweet, flammable, colorless and transparent liquid with carcinogenic toxicity and a strong aromatic odor. It is insoluble in water, easily soluble in organic solvents, and can also be used as an organic solvent itself. The ring system of benzene is called benzene ring, and the structure after removing a hydrogen atom from the benzene ring is called phenyl, which is represented by Ph, so the chemical formula of benzene can also be written as PhH. Benzene is a basic petrochemical raw material, and its output and production technology are one of the symbols of a country's petrochemical development level.

On October 27, 2017, the list of carcinogens published by the World Health Organization's International Agency for Research on Cancer was preliminarily sorted out for reference, and benzene was included in the list of Class I carcinogens.

Foreign name: Benzene, benzol, benzeen

Alias: Rest oil

Chemical formula: C6H6

Molecular weight: 78.11

CAS login number: 71-43-2

EINECS accession number: 200-753-7

Melting point: 5.5℃

Boiling point: 80.1℃

Water soluble: insoluble

Density: 0.88 g/cm³

Flash point: -11℃

Application: Used as spices, dyes, plastics, medicines, explosives, rubber, etc.

Security description: S36/37; S45; S53

Hazard description: R11; R36/38; R45; R46; R48/23/24/25; R65

UN Dangerous Goods Number: 1114/1115

The benzene ring is the structure of the benzene molecule. It is a plane regular hexagon, each vertex is a carbon atom, and each carbon atom is combined with a hydrogen atom. The carbon-carbon bond in the benzene ring is a unique bond between single and double bonds, with a bond angle of 120° and a bond length of 1.40Å

Benzene Series Intermediates,2 4 6-Trimethylbenzaldeliyde,4-Iodo-3-Nitrobenzoic Acid Methyl Ester,4-Iodo-3-Nitrobenzoic Acid

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