QINGZHI(青智)

青岛青智仪器有限公司自1988年以来，一直专注于功率测量分析技术，为电机测试，光伏逆变器测试，电动汽车测试，充电桩测试，电源测试，家电测试，发电机测试等电气测试领域提供高性能的功率测量与分析仪器仪表。从第一台简单数字功率计到今天功能强大的功率分析仪，青智仪器已经生产出了跨越多种领域的功率测量分析仪器仪表，我们将会更加努力，不断满足并引领用户的功率测量分析需求，帮助各行各业不断向前发展。

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Frequently Asked Questions

1. What does 3M stand for?

2002 – Centennial Name Change. As 3M employees celebrated 3M's centennial anniversary, “3M Company” becomes the legal name for 3M—originally incorporated as Minnesota Mining and Manufacturing Company.

2. Where is 3M Company from?
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Two Harbors, Minnesota, United States
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3. Is 3M unionized?

He served until 1977. 3M was proud of its good management-employee relationships. ... Since 1999, unionized employees have been represented by the United Steelworkers.

4. Are all 3M products made in USA?

It's very difficult to find American-made products these days, but St. Paul, Minnesota based 3M Company, is striving to make it easier. 3M products used mostly by the U.S. electrical industry are made in places such as New Ulm and Hutchinson, MN and Chelmsford, MA.

5. Is Scotch owned by 3M?

The Scotch brand, Scotch Tape and Magic Tape are registered trademarks of 3M.

6. What is 3M famous for?

3M Company is known for its culture of innovation and investment in research and development which has resulted in the invention of many new products for both the industrial and consumer markets.

7. How many patents does 3M hold?

How many patents does 3M hold?
Technology and innovation are at the heart of 3M – the company has been granted more than 118,000 patents, and each year, more than 4,000 new patents are issued to 3M worldwide.

8. Why is 3M so successful?

The root of 3M's success is its business model; to foster organic growth by inventing entirely new, market-changing products. ... In order to foster this growth, 3M has always emphasized the important of research and development (R&D) to which the company dedicates six percent of its yearly revenue.