ABOUT US
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2022-06-17
2023
◆ Hangzhou Communications Investment Group joined as a shareholder in Longyuan Construction Group
◆ Obtained Singapore S1 Certification -
2022-06-17
2021
◆ Obtained the Class I Qualification for “Professional Contracting of Building Curtain Wall Engineering” and Class II Qualification for “Professional Contracting of Building Decoration and Finishing E -
2022-06-17
2020
◆ Obtained the Class III Qualification for “General Contracting of Construction Engineering” and the Special Grade Qualification for “Design and Construction of Metal Roofing (Wall) Systems” -
2022-06-17
2019
◆ Obtained the Class A Qualification Certificate for “Special Design of Lightweight Steel Structure Engineering” -
2022-06-17
2016
◆ Obtained Class I Qualification for “General Contracting of Construction Engineering” (Limited to Steel Structure Main Works)
◆ “Dadi” ® trademark was reaffirmed as a Famous Trademark of Zhejiang Province -
2022-06-17
2015
◆ Rated as one of the Top 50 Enterprises in China’s Steel Structure Construction Industry
◆ Obtained the Class I Qualification for “General Contracting of Construction Engineering” in the Construction Industry -
2022-06-17
2014
◆ Obtained the European Union CE Quality Certification
◆ Rated as a Zhejiang Province AA-level Enterprise of “Contract-abiding and Trustworthy” -
2022-06-17
2013
◆ Recognized by Zhejiang Provincial Department of Housing and Urban-Rural Development as an Advanced Enterprise for Construction in Shanghai -
2022-06-17
2012
◆ Obtained Class II Qualification in Physical and Chemical Testing of Metal Materials for Building Steel Structures in Zhejiang Province (Chemical Analysis, Mechanical Performance Testing, Nondestructive Testing—UT, PT, MT) -
2022-06-17
2011
◆ Awarded the title of “Municipal Enterprise Technology Center” of Hangzhou -
2022-06-17
2010
◆ Obtained the “Qualification Certificate for Foreign Contracting Projects of the People’s Republic of China” -
2022-06-17
2009
◆ Obtained Class I Qualification for “Professional Contracting of Steel Structure Engineering” and the “AISC Certification for Quality Management System of Structural Steel”
◆ Longyuan Construction Group became the sole shareholder (100% ownership) -
2022-06-17
2008
◆ Obtained the “Customs Registration Certificate for Import and Export Consignees and Consignors of the PRC” and the “Special Grade Qualification Certificate for Steel Structure Manufacturing Enterprises in China”
◆ Company name changed to: Zhejiang Dadi Steel Structure Co., Ltd. -
2022-06-17
2007
◆ Awarded the “Certificate of High-Tech Enterprise of Zhejiang Province” -
2022-06-17
2006
◆ Recognized by the Ministry of Construction and China Construction Metal Structure Association as a “Designated Enterprise for Fabrication and Installation of Building Steel Structure Engineering”
◆ Awarded the “National Key High-Tech Enterprise Certificate” under the National Torch Program -
2022-06-17
2005
◆ Designated by the National Economic Mobilization Center as the “National Steel Structure Mobilization Center”
◆ Longyuan Construction Group acquired 51% shareholding -
2022-06-17
2001
◆ Certified by Zhejiang Gainshine Assessment Co., Ltd. for the three international management systems: “Quality Management” (GB/T19001), “Environmental Management” (GB/T24001), and “Occupational Health and Safety Management” (GB/T28001) – achieving the “Three-in-One System Certification” -
2022-06-17
1997
◆ Obtained Class I Qualification for “Construction of Steel Structure and Space Frame Engineering” from the Ministry of Construction -
2022-06-17
1994
◆ Establishment of Hangzhou Dadi Space Frame Manufacturing Co., Ltd.
Contact Us
17F Building B, Xiaoshan Technological Innovation Center, No. 618 Boxue Road, Xiaoshan District, Hangzhou, Zhejiang, P. R.China
E-mail：dadi@cnzjdd.com
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