Wang Quan Technology (Kunshan) Co., Ltd. established a back-end taping factory in Kunshan in April 2001, and at the same time started to build a factory on Huangpujiang Middle Road. In December 2002, the new factory was completed and began full manufacturing. Wang Quan's products are SMT chip resistors, including chip resistors, array resistors, and network resistors. The current monthly production capacity is 9 billion PCS, which are mainly used in desktop notebook computers, computer peripheral products, network communications, mobile phones, etc. In order to adapt to the trend of miniaturization of electronic products and the requirements of high precision, the company actively develops smaller and more precise products. The company actively completes certifications that meet international standards, and has successively completed ISO9000, ISO14000 and other certifications. As a member of the global village, Wang Quan must also fulfill its environmental protection responsibilities. Therefore, in 2004, it completed the lead-free electroplating terminal electrode and mass-produced RoHS-compliant products in July 2005. Wangquan adheres to the chairman's business philosophy. Maintaining integrity is the principle of persistence, giving back is the unchanging concept, surpassing is the eternal goal, maintaining talent is the driving force of progress, research and development is the rock of development, and continuous efforts are made to make progress. The company has a total investment of US$100 million, covers an area of 119,000 square meters, and now has more than 2,800 employees. In the next 2-3 years, it will realize the corporate vision of becoming the first in the market share of chip resistors in East China.
[size=4]With the rapid development of mobile phones, electronics, and communications industries, the PCB industry has also grown rapidly. People have higher and higher requirements for the number of l...
[i=s]This post was last edited by zengyi703 on 2020-3-14 11:38[/i]I was bored at home during the epidemic, so I made a small board that supports MicroPython. Basic hardware functions:
1. The microcont...
Please guide me what is the reason
Input 24V2A, output 5V800MA, 3.3V500MA and 4.6V800MA. After batch production, it was found that some DCDC chips were damaged after a period of use, ranging from seve...
Details of the Espressif ESP32-S2-Kaluga-1 review activity: https://en.eeworld.com/bbs/elecplay/content/134Suggestion 1: It is recommended to develop under Linux, which compiles quickly. With vscode, ...
1 Introduction A wind tunnel is a pipeline test equipment that can artificially generate and control airflow to simulate the flow of gas around an aircraft or object, measure the effect of the airflo...[Details]
introduction
Short-distance single-chip microcomputer communication can be realized by bus mode, while long-distance single-chip microcomputer communication cannot adopt this mode. It is very ...[Details]
As part of WWDC this week, Apple introduced a new MailKit framework for macOS Monterey that enables developers to create Mail app extensions that block content, perform messaging and composition acti...[Details]
In May this year, the United States announced that it would stop granting temporary exemptions to eight Iranian oil buyers, including China, Japan and India. After the oil ban, this was not enough. ...[Details]
Room lighting is inseparable from lamps, which are the concentrated reflection of lighting. They are not only tools to complete the functions of room buildings and create visual conditions, but al...[Details]
Analog oscilloscope function 1. Can measure the voltage amplitude of DC signal and AC signal 2. The period of the AC signal can be measured and used to calculate the frequency of the AC signal. 3. Ca...[Details]
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Recently, Google made some upgrades to Android Auto, bringing not only a new look but also more features. The main change to the app is that the user interface will be more flexible to different ca...[Details]
Jiwei.com reported on January 30 that the official Weibo account of the CUVA Ultra High Definition Video Industry Alliance (hereinafter referred to as the official) announced a major news, that is, t...[Details]
Recently, according to foreign media reports, a 19-year-old Iowa girl, Victoria O'Connor, successfully recovered her stolen car with the help of the "Find My iPhone" feature of the iPhone. It...[Details]
Require: (1) Table tennis game machine A and machine B each have two switches, one for serving and one for hitting. (2) The movement of the ping-pong ball is simulated by 16 or 12 LEDs, and the s...[Details]
Spark Tablet Case is a multifunctional tablet handbag launched by PET for tablets. This handbag can be used to store tablets and can also be used as a temporary stand. There are also solar panels o...[Details]
According to reports on January 18, TSMC recently announced that its US$40 billion investment project in Arizona, USA, has been postponed again, from the original production date of 2026 to 2027 or 2...[Details]
1 Introduction
With the vigorous development of my country's national economy and the improvement of people's living standards, the passenger and freight volume of railways will increase, and ...[Details]
The differences between servo presses and ordinary presses are mainly reflected in the following aspects:
How it works
A servo press is a press driven by a servo motor. Its work...[Details]
PCB Design
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