Lean production, develop advanced cold Pipe Welding equipment
Zhongqing mainly engaged in manufacturing various series ERW tubemill, high precision cold roll forming lines, and high speed coil sheet slitting & cut-to-length lines
Lean production, development of cold-formed welded pipe equipment
Zhongqing mainly engaged in manufacturing various series ERW tubemill, high precision cold roll forming lines, and high speed coil sheet slitting & cut-to-length lines
Lean production, development of cold-formed welded pipe equipment
Zhongqing mainly engaged in manufacturing various series ERW tubemill, high precision cold roll forming lines, and high speed coil sheet slitting & cut-to-length lines
SINCE 1998
Lean production,develop advanced cold Pipe Welding equipment
Nanqing Group, an enterprise directly under the central government with a history of more than 30 years, was promoted to a large national first-class enterprise in 1999, and was listed in the ranks of 500 machinery industry enterprises in the country by the National Bureau of Statistics, ranking 234. The factory's ISO9001 quality system officially passed the audit and certification of China Light Industry Quality Certification Center in May 2007. It is one of the enterprises in the domestic welded pipe industry that passed the ISO9001 quality system verification. In 2001, it passed the 2000 edition of the international SGS quality certification organization's renewal audit and certification. The factory has fixed assets of nearly 100 million yuan, annual output value of 1 billion yuan, with product development, manufacturing, technical services and other comprehensive strength.
Establish in
Utility model patent
Annual output value
Service customers
Products
Products
Zhongqing mainly engaged in manufacturing various series ERW tubemill, high precision cold roll forming lines, and high speed coil sheet slitting & cut-to-length lines
Large Diameter Pipe Mill RB(E)
RB(E) production process, the use of advanced coiling - backward bending - expanding process technology, compared with other tube production processes, the RB(E) process unit in the production ofCompared with other tube making processes, the RB(E) process unit is more economical than other processes in terms of capacity, flexibility and return on investment, and has better performance indicators such as roundness, straightness and stress uniformity.roundness, straightness, stress uniformity and other performance indicators.
Large Diameter Pipe Mill JCO(E)
The JCO(E) production process, with progressive pre-bend molding process, uniform stress distribution and good tube shape, ensures stable product quality and production efficiency, characterized by a wide range of product specifications and quick and easy change of specifications, which enables the production of any tube size within the range.
Customer Stories
Customer Case
Zhongqing mainly engaged in manufacturing various series ERW tubemill, high precision cold roll forming lines, and high speed coil sheet slitting & cut-to-length lines
Customer Stories
Customer Case
Zhongqing mainly engaged in manufacturing various series ERW tubemill, high precision cold roll forming lines, and high speed coil sheet slitting & cut-to-length lines
Advantage
Lean production, develop advanced cold Pipe Welding equipment
Zhongqing mainly engaged in manufacturing various series ERW tubemill, high precision cold roll forming lines, and high speed coil sheet slitting & cut-to-length lines
Ideal
Always move forward with a dream. Lose the ideal, will not produce creation and construction.
Trust
To get trust often rest assured. Integrity comes from the spirit of honesty and dedication.
The Power of Constant Progress
Zhongqing Company mainly produces various series of ERW straight seam welded pipe units, precision cold bending forming units, roll plate vertical and horizontal shear units, etc.
Courage
Always have the courage to do it. The power of implementation arises from the confrontation with the contradiction and the overcoming of it.
R & D
The factory has imported processing center and the central constant temperature processing workshop, has more than 60 large precision processing equipment, and has a national secondary measurement unit testing center.
Customer first, considerate service
Our staff will contact you within 24 hours (working days), if you need other services, please call the service hotline!
Exhibition Information
Exhibition Information
Zhongqing mainly engaged in manufacturing various series ERW tubemill, high precision cold roll forming lines, and high speed coil sheet slitting & cut-to-length lines
Russia
Saudi Arabia Exhibition
News Center
News
Zhongqing mainly engaged in manufacturing various series ERW tubemill, high precision cold roll forming lines, and high speed coil sheet slitting & cut-to-length lines
On January 5, 2025, Nan Zhong Qing Company held a grand 2025 Annual Summary and Recognition Conference under the theme “Break Boundaries, Set New Standards, and Write a New Chapter.” All colleagues gathered together to review the past, recognize outstanding individuals, and chart a course for the future.
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The 2025 Quality Month event of Nan Zhong Qing concluded successfully.
On August 8, 2025, Nan Zhong Qing Company solemnly held its 2025 Quality Month Summary Conference, themed “Striving for Perfection and Creating with Heart.” The conference comprehensively summarized the achievements of the campaign, recognized outstanding teams and individuals, and fostered a shared commitment among all employees to continuous quality improvement. Senior company executives, heads of various departments, and all employees attended the meeting.
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Warmly celebrating the grand commencement of the NANJING ZHONGQING MACHINE MAKING CO.,LTD project
As the auspicious dragon bids farewell to the old year and the golden snake welcomes new blessings, on the morning of February 5th, all employees of NANJING ZHONGQING, under the leadership of Chairman Yu Bing, held a grand commencement ceremony. On the occasion of the start of the Year of the Snake, let us invigorate our spirits and unite as one, ready to navigate the waves of opportunity and challenge in the market tides of 2025 with courage and determination!
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Address: No.8, Xiyan Road, Binjiang Development Zone, Jiangning District, Nanjing
E-mail：njzq001@126.com
Telephone:（86）025-84497725
Fax:(86)025-84591061
Website:http://www.njzqgs.com
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hj@hjqp.cn ywj@hjqp.cn
0511-86355528
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