Changsha Daoyuan Wisdom Fluid Technology Co., Ltd.

Blog

Company News

Industry News

Media reports

Video Center

Pump industry regulations and standards

Standards and specifications for motors: GB755-87 Basic technical requirements for rotating motors, GB997-81 Motor structure and installation type codes, GB1971-80 Motor terminal markings and rotation direction, GB1993-80 Motor cooling methods, GB4942.1-85 Motor enclosure classification, GB10068.1-GB10068.2-88 Vibration measurement methods and limits for rotating motors, GB10069.1-GB10069.3-88 Noise measurement methods and limits for rotating motors, GB1032-85 Test methods for three-phase asynchronous motors, GB/T13384-200.

2019

Non-ferrous metals welcome a warm spring.

Non-ferrous metals welcome a warm spring; 1. Since the beginning of the year, industrial metal prices have generally strengthened; 2. According to statistics, since the start of this round of increases, the price of Shanghai nickel has risen by about 19%, the largest increase; 3. Next are Shanghai copper and Shanghai zinc, with an increase of around 7%; 4. Following that are Shanghai aluminum and Shanghai tin, with increases between 3% and 5%; 5. The price trend of industrial metals this year has achieved the best opening performance since 2008; 6. Industry insiders believe that currently, the marginal easing of domestic liquidity boosts demand expectations, and the signals indicating that the Federal Reserve's interest rate hike cycle has peaked are becoming increasingly clear, with multiple factors driving the recovery of investment sentiment in the non-ferrous sector (China Securities Journal).

2019

Training: Introduction to Corporate Ethics and Compliance Systems and Reflections on Their Establishment in China

In September 2013, at the invitation of the United Nations Global Compact Organization, Yao Feng, Executive Vice President of the China Listed Companies Association, led a delegation to the United States to attend the "2013 United Nations Global Compact Leaders Summit." During this visit, he was invited to visit the Ethics & Compliance Officer Association (ECOA) in the United States, where he learned about corporate ethics and compliance systems and discussed the necessity and feasibility of introducing related systems to China. Below is a brief introduction to the basic situation of corporate ethics and compliance systems for everyone's exchange and reference.

2019

< 1...6 7 8 9 >

Hotline:

+86-0731-84019466

Telephone: +86-133-0749-1892 (WeChat with the same number)

E-mail：csdyzhlt@163.com

Company address: No. 399, Shetang Road, Qiantang Sub-district, Changsha Economic and Technological Development Zone, Building 3-A, Liao Technology Co., Ltd.

WeChat

Tiktok

Changsha Daoyuan Intelligent Fluid Technology Co., Ltd

This site supports IPv4、IPv6.

Business License

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

COOKIES

required

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

analyze

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

Feature

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

advertise

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.