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Company ProfileWeihai Knowhow Engineerng Co.Ltd
Weihai Knowhow Engineerng Co.Ltd Since the establishment of the factory, Weihai Hongri Environmental Protection Equipment Co., Ltd. has focused on the development, research and production of large-scale fans, dust collectors, air preheaters, silencers, and compressors as the main development direction, and is committed to human environmental protection. A national brand belonging to the Chinese, with the goal of letting world brands see China.
The company regards quality as its life, strives for survival with reputation, promotes development with technology, and serves users with high-quality reputation. We sincerely look forward to all-round cooperation with business partners to create brilliance.
Quality Management System Certification
Business license (original)
Quality Management System Certification
Business license (original)
UT-Lirenzhong
RT-Lirenzhong
PT-Lirenzhong
MT-Lirenzhong
Ma Zhengfeng Intertek certification
IWE-Ma Zhenfeng
CWI-Zhenfeng Ma Renewal 2019
News Center
Real-time news updates-
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How to reduce the power consumption of the boiler fan
It is not advisable to install too many baffles in the flue duct to change the situation of the elbo...
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What factors need to be considered when buying a centrifugal fan
1. The appearance of an industrial centrifugal fan. The smoother and more beautiful the product, the...
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![[Dust removal fan] What problems should be paid attention to when using](/uFile/109187/news/202010994955998.jpg)
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[Dust removal fan] What problems should be paid attention to when using
1. Start preparation and inspection:1. Check whether the connecting bolts are loose.2. The solenoid ...
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What are the precautions before installing the axial fan?
Axial fans are very versatile, that is, the airflow in the same direction as the axis of the blades,...
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Fabrication and installation process of bag filter
The corresponding structures of the numbers are 1 upper box body, 2 blowing ash cleaning system, 3V ...
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Common problems in the construction of fire exhaust fans and their solutions
Fire smoke exhaust fans are usually the main smoke prevention and exhaust facilities of high-rise ci...
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What issues should be paid attention to during the post-weld heat treatment of stainless steel fans?
As the saying goes, if you want to do well, you must first sharpen your tools. Before we use stainle...
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The role of tunnel fans in tunnels and subways
In recent years, the construction of urban subways and highway tunnels has entered a peak investment...
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