April 11, 2025

Online shopping electronic scales have errors to buy carefully

Online shopping electronic scale error In early September, Mr. Jin spent more than 40 yuan at Taobao's flagship store to order a poetic precision electronic scale. What is puzzling is that even if they are separated by several seconds, the results of each weighing are different. "This is really not reliable," said Mr. Jin.

In this regard, the sales staff of the flagship store in the company stated that there are approximately 0.3 to 0.8 kilograms of error in this type of electronic scale. It added that the product is divided into ordinary, extreme, luxury three, the ordinary version of the electronic scale error may reach 1 kilogram. As for the different results of each measurement, the customer service staff said that "it may be due to the unevenness of the customer's home."

Nanchang Xihu District Trade and Industry Bureau law enforcement officials told reporters that consumers in the online shopping for home appliances, in addition to viewing the product appearance, function, but also need to carefully read the product description, specifications, product evaluation, after-sale protection and other instructions, compare similar products Payment will be made afterwards.

Welding Bar

Tungsten carbide welding bars are commonly used in the oil and gas industry for various applications. These bars are made from a combination of tungsten and carbon, which results in a very hard and wear-resistant material. Here are some specific uses of tungsten carbide welding bars in the oil and gas industry:

1. Hardfacing: Tungsten carbide welding bars are used for hardfacing applications, where a wear-resistant layer is applied to drilling tools, valves, pumps, and other equipment exposed to abrasive environments. This helps to extend the lifespan of the components and reduce maintenance costs.

2. Drill bits: Tungsten carbide welding bars are used to manufacture drill bits for oil and gas exploration. The hard and durable nature of tungsten carbide makes it ideal for drilling through tough rock formations.

3. Wear plates and liners: Tungsten carbide welding bars are used to create wear plates and liners for equipment used in oil and gas production. These plates and liners protect the underlying metal surfaces from abrasion and corrosion, ensuring the longevity of the equipment.

4. Valve seats and seals: Tungsten carbide welding bars are used to manufacture valve seats and seals for oil and gas valves. The high hardness and wear resistance of tungsten carbide ensure reliable sealing and prevent leakage in critical applications.

5. Downhole tools: Tungsten carbide welding bars are used in the manufacturing of downhole tools such as stabilizers, reamers, and drill collars. These tools are subjected to high pressures, temperatures, and abrasive conditions, and tungsten carbide helps to enhance their durability and performance.

Overall, tungsten carbide welding bars play a crucial role in the oil and gas industry by providing wear resistance, hardness, and durability to various components and equipment.

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