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A professional manufacturer of measuring & testing equipment.

When you see the title, you may be familiar with

First of all, each of them has their own consumer groups. More middle-aged people may be more interested in the traditional way because they are at ease to see the products by themselves. The latter one is favored by most 80s and 90s generation, which can meet their pursuit of fashion.

Secondly, they have their own advantages and disadvantages. If you buy glasses from the local optical store, you can see the eyeglasses with your own eyes. And you can try on glasses from one to another. The salesperson will recommend some to you depending on your features. In this way, you can communicate with the owners directly and even make some bargains until you get your satisfying one. But its office hours are limited, which is not suitable for some busy persons.

However, eyeglass store online can make up for its weak points. It is open without the limitation of time and places. And there are the whole collections of almost all brands, both at home and abroad. As many brand names like to advertise their products on the website, eyewear users can get the latest designs as well. What attract the customer most is its cheap prices. Usually, they are half cheaper than the local optical stores.

Besides, buying eyewear online can have time-saving without shopping everywhere. Until now, both of the two ways are important because they are set for different consumers. It will be better if retailers can combine with their advantages.

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200 FAQs WHAT' S NEW APPLICATION
How to keep the hydraulic universal testing machine clean



Hydraulic universal testing machines have very high accuracy requirements.
Connection of hydraulic system of tensile testing machine



The hydraulic system is the power drive mechanism of the tensile testing machine.
Application of electronic universal testing machine in automobile industry



The specific application of the electronic universal testing machine in the automobile manufacturing process: The electronic universal testing machine needs to be used for automobile parts.
Wave soldering workflow



Wave soldering refers to the molten solder (lead-tin alloy), sprayed by electric pump or electromagnetic pump into the solder wave required by the design, can also be formed by injecting nitrogen into the solder pool, so that it is pre-loaded The printed board of the component realizes the soft soldering of the mechanical and electrical connection between the solder end or the pin of the component and the pad of the printed board through the solder wave.
Protection of frequency converter of hydraulic universal testing machine



The frequency converter is a power control equipment that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working power supply.
Common failures of electronic universal testing machine



Electronic universal testing machine is a necessary equipment to control the quality of products.
Calibration method of electronic universal testing machine



The calibration operation of the electronic universal testing machine is still relatively unfamiliar to friends who use it for the first time.
Brief introduction of selective wave soldering defects and prevention



Selective wave soldering defects and their prevention.
Some precautions when using the testing machine



Testing machine, broadly speaking, is an instrument that verifies the quality or performance of a product or material according to the design requirements before it is put into use.
How to measure the tensile force of the testing machine



The tensile force is not an accurate value after being measured by the testing machine, and subsequent calculations are required to get the desired value.
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