About Donghai Wanli


Rooted in the pressure pipeline field, Wanli is committed to creating a comprehensive pressure pipeline service enterprise integrated with consultation, design, manufacturing, construction, operation and maintenance. At present, the company's business scope covers the design, manufacturing and installation of heat distribution pipelines, installation of petroleum chemical pipelines, installation of pressure vessels and many other segments.

In over twenty years, Wanli has been constantly improving its engineering construction ability and product manufacturing strength, carrying out a number of technology development and cooperation with various scientific research departments subordinate to colleges and universities, new materials companies, large thermal groups, etc. while increasing the investment in independent research and development. Wanli undertakes projects all over the country and its products can be found in thermal power generation, urban heat supply and papermaking, textile, petrochemical and other industries, which are exported to some countries and regions in Southeast Asia and Europe.

All types of Wanli products have independent intellectual property rights and part of the new products are at the international advanced level. As for engineering construction, there are enough professional and technical workers as well as strong construction and management strength. Up to now, more than 1000km of various types of pressure pipes have been installed. In particular, the company has rich experience in the installation and construction of industrial pipelines transporting inflammable, explosive and severely poisonous mediums. In addition, the company has overseas project contracting qualification.

Adhering to the enterprise spirit of "Professional dedication, Refinement, Unity and Win-Win" and the quality policy of "Being quality-oriented and customer-centric; Technological innovation and optimal management", Wanli provides customers with batches of safe and reliable high-quality products and quality-assured projects, thus winning good social & market reputation, and making customers believe the quality commitment of "Wanli pipelines are safe and reliable; Choose Wanli for various pipeline installations". With strict management, continuous innovation, top quality and good faith management, Wanli will strive to grow into a professional strong brand in the pressure pipeline industry, so as to provide our customers with the most sincere service!

Company History


1993 Wanli started equipment installation company
1997 Wanli won the mechanical and electrical installation Sanji
1998 Wanli across the fields to the pressure pipe, pressure pipe installation qualification first in Zhejiang Province
2003 Wanli into the prefabricated insulated pipe manufacturing plant to build autonomous
2004 officially changed its name to Wanli Wanli pipeline, usher in a new era
2011 Wanli qualification upgrade, obtain mechanical and electrical installation Erji
2012 Wanli settled Chunxiao industrial park
2013 Wanli to introduce innovative patent prefabricated pipe insulation overhead
2014 Wanli to obtain mechanical and electrical installation, chemical and petroleum qualified contractor level, pressure piping design license
Beginning EPC turnkey solutions;
Obtain foreign project contracting qualification;
Overseas projects;
Officially opened diversified business model;
Ningbo City, the well-known trademarks.
2015 output value exceeded 200 million yuan