At the same time, the after-sales problem of air purifiers that have been receiving attention has become a major obstacle to the development of the industry. According to the “China Air Purifier User Usage Survey Survey Report 2014†released by the China Electronic Chamber of Commerce Consumer Electronics Survey Office in November 2014, 49.5% of users have doubts about the air purifier after-sales service. Among them, there are few service points, high maintenance costs, no after-sales visits, and lack of product knowledge and usage.
Different from other household electrical appliances, air purifiers are highly dependent on filter consumables and after-sales services, and only after-sales service is required to enhance consumer experience and improve customer loyalty. At present, many consumers have listed “after-sales service†as one of the important criteria for purchasing air purifier products.
The new national standard will go out of the market or undergo major reshuffle With the rational consumption of consumers, the implementation of revised standards for air purifiers, and the development of independent brands, the State Administration for Industry and Commerce launched a special campaign to rectify the market of air purifiers and water purifiers in the first quarter of this year. The China Indoor Environmental Monitoring Working Committee also issued the 2015 No. 1 document, aiming at rectifying the chaotic situation in the air purifier market for false propaganda and allowing consumers to distinguish the "Pleasant Goat" and "Grey Wolf" from the air purifier market and clear the purifier. The market "grey wolf."
To purify the air purifier market, the National Standards Committee will complete the validation and release of air purifier standards in the first half of 2015. The new national standard intends to use “clean air volume†as the core indicator of product labeling, adding parameters such as “applicable area†and “useful life†to describe or derive the algorithm. In addition, the new national standard also further standardizes product labeling methods to facilitate consumer purchase. .
Regarding the introduction of the new national standard, relevant sources pointed out that this move will make the competition in the air purifier market even fiercer, and even let the entire industry usher in a "big reshuffle." For those products with insufficient capital and low technical content, they will face the possibility of elimination. The era of using packaging, propaganda, or low price to make up for the lack of product quality will also age. As the new national standard determines the core parameters of the purifier, the quality of the product will be well documented. Consumers can also use the standard to measure the differences between different products. The purchase of air purifiers will be much simpler.
The seamless steel pipe is made by perforating the whole round steel, and the steel pipe without weld seam on the surface. It is mainly used as high-precision structural steel pipes for petrochemical industry, boiler pipes, automobiles and aviation.
Seamless tubing can be made from any of several alloys and metals, such as carbon steel, stainless steel, molybdenum, or tungsten. Seamless pipes are used in those industrial applications that require the highest safety requirements. To produce seamless steel pipes, the solid block is pierced with a piercing plug before the pipe is drawn to the desired size.
Some of the differences between seamless and welded pipes are:
Seamless pipes are extruded and drawn from billets, while welded pipes are produced from roll formed and welded strips.
Due to the higher range of security offered by seamless pipe, it is more expensive than welded pipe.
Seamless pipes are available in relatively short lengths, while welded pipes can be manufactured in longer continuous lengths.
Seamless pipe generally does not show any signs of corrosion until and unless it is subjected to a highly corrosive environment, whereas in welded pipe the welded area is more susceptible to corrosion attack.
The welded area is considered to be inhomogeneous, so it exhibits different ductility and lower corrosion resistance, as well as larger dimensional changes. Seamless pipes eliminate any such problems and thus offer high corrosion resistance.
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