When selecting a power cable, the price of wire and cable is the only criterion for judging the quality of the cable. The answer is of course negative. Many people say that the price of a certain cable company is high, and that a certain brand is two points lower than yours... Let's analyze the point about wire and cable prices.
1. Experiment: It is advisable that a wire head be repeatedly bent by hand, and that any product that has soft hand feeling, good fatigue resistance, plastic or rubber feel elasticity, and no crack on the wire insulation body is excellent. The wires and cables produced by Guangdong Huayang Cable are made of high-quality PVC materials, which have good flexibility, are not easily broken, and are resistant to high temperatures, corrosion, grease, quality and safety.
2. Price: Due to the low production cost of counterfeit and shoddy wires, when selling, traders often sell cheap products at low prices, which makes people fooled. Therefore, if blind pursuit of low prices, buy bad quality wire and cable, the loss caused by an accident will be incalculable.
3, copper: qualified copper core wire copper core should be purple, shiny, soft to the touch. The shoddy copper core copper core is purple black, yellowish or white, impurities, mechanical strength is poor, poor toughness, it will be broken with a little force, and often within the wire disconnection phenomenon.
4, to observe: to see whether there is a quality system certification; see whether the certificate is standardized; see if there is a factory name, site, inspection chapter, production date; see if the wire is printed on the trademark, specifications, voltage and so on.
5, weighing: good quality wire, generally within the prescribed weight range.
In general, the quality of products guaranteed, the price will certainly not be too cheap, on the contrary too cheap product quality is certainly not guaranteed, choose a product with quality assurance, the price may be slightly more expensive, but the quality to you Long-term guarantees save you a lot of trouble after sales.
1. Experiment: It is advisable that a wire head be repeatedly bent by hand, and that any product that has soft hand feeling, good fatigue resistance, plastic or rubber feel elasticity, and no crack on the wire insulation body is excellent. The wires and cables produced by Guangdong Huayang Cable are made of high-quality PVC materials, which have good flexibility, are not easily broken, and are resistant to high temperatures, corrosion, grease, quality and safety.
2. Price: Due to the low production cost of counterfeit and shoddy wires, when selling, traders often sell cheap products at low prices, which makes people fooled. Therefore, if blind pursuit of low prices, buy bad quality wire and cable, the loss caused by an accident will be incalculable.
3, copper: qualified copper core wire copper core should be purple, shiny, soft to the touch. The shoddy copper core copper core is purple black, yellowish or white, impurities, mechanical strength is poor, poor toughness, it will be broken with a little force, and often within the wire disconnection phenomenon.
4, to observe: to see whether there is a quality system certification; see whether the certificate is standardized; see if there is a factory name, site, inspection chapter, production date; see if the wire is printed on the trademark, specifications, voltage and so on.
5, weighing: good quality wire, generally within the prescribed weight range.
In general, the quality of products guaranteed, the price will certainly not be too cheap, on the contrary too cheap product quality is certainly not guaranteed, choose a product with quality assurance, the price may be slightly more expensive, but the quality to you Long-term guarantees save you a lot of trouble after sales.
Single substance is silvery white shiny metal, high hardness, high melting point, normal temperature is not eroded by air, chemical properties are relatively stable. Mainly used to manufacture filament and high speed cutting alloy steel, superhard mold, also used in optical instruments, chemical instruments. China is the world's largest reservoir of tungsten.
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