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About NTtank

Established in May 2007, NANTONG TANK CONTAINER CO., LTD (NTtank) is a professional ISO tank container manufacturer located in Nantong, China, close to Shanghai. NTtank is the first wholly owned subsidiary of Square Technology Group. (Stock Code: 603339). Besides NTtank, Square Technology Group has other five wholly owned subsidiaries and one research institute.
tank testing
plant workshop
NTtank supplies both standard ISO UN Portable tanks and customized special tanks, with an annual capacity of 12,000 standard ISO tanks and 6,000 multi-type special tanks. To ensure high-quality tank containers, we have equipped with advanced production equipment, making us one of the most advanced production lines in the world's tank container manufacturing industry.
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Annual production capacity of standard ISO tank containers
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Annual production capacity of various types of special tank containers

Professional Certification

We have passed ISO9001, ISO14001, and ISO45001 system certifications, and obtained the C2 mobile pressure vessel manufacturing qualification, ASME certificate, and classification societies such as CCS, LR, BV, RMRS, DNV, and so on.
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Our History

With 20 years of experience in tank manufacturing, NTTank has grown from producing our very first tank to an annual capacity of 18,000 tanks. Through this growth, we've honed our team to become among the top in the world.
2008
2009
2011
2012
2014
2016
2017
2018
2019.4
2020.5
2020.8
2021.11
2022.6
2022.11
2023.5
2024.1
2024.6
2024.7
2024.12

2008

2008 The first trial tank container successfully manufactured.
team members

2009

The application of completely PU foaming super insulation technology of tank fulfilled the need of international market. The ultra-low light framework passed railway impact test and successfully entered the Japanese market.

2011

Offshore tanks have been put into the market and successfully entered the field of Offshore oil exploitation. The quality of offshore tank has been quickly recognized by customers, and the sales volume ranks first in the world.

2012

NTtank successfully obtained ASME U stamp certification; SWAP tank passed German railway impact test, which indicated NTtank had been into the large volume tank container manufacturing field.

2014

To meet the diversified transportation requirements of customers, SBC tank had been successfully developed. In the same year, NTtank obtained ASME U2 stamp and R stamp certifications.

2016

Newly developed U2 gas tank successfully passed the railway impact test in Qiqihar. Anhydrous hydrogen fluoride tank, high purity ammonia tank and other special tanks stay at the heading level in the field.

2017

NTtank obtained the design license of C3 special equipment, which marked our company's ability and qualification to design liquefied gas tank container and pressure vessel independently. .

2018

Advanced new standard tank container workshops put into use, NTtank possesses the annual capacity of 8,000 standard tanks as well as 2,000 special tanks.

2019.4

Obtain certificate of Russian Maritime Register of Shipping

On April 16, after nearly half a year of data review, on-site review, product certification, rigidity test, material physical and chemical test and other links confirmed, NTTANK officially obtained certificate of Russian Maritime Register of Shipping. The acquisition of this certificate greatly reduces the cost of batch certification of the Group in the Russian shipping company, and provides convenience and certification guarantee for subsequent orders in the Russian market.

2020.5

Launch reconstruction project of tank storage yard

On May 13, NTtank tank storage yard renovation project officially started construction. The original storage yard was cement concrete structure and had some safety risks because of many concrete plate fractures. After the company's research and decision, the tank storage yard is comprehensively rebuilt. To meet the requirements of safe storage of tank products, the concrete plate and rain sewage drainage pipe of the original damaged yard were removed, and the reconstruction works was done according to the design code of tank storage yard.

2020.8

One more new product is added for NTtank special tanks - high temperature tank container
In August, the high-temperature tank newly developed by NTtank completed various tests and successfully passed acceptance. At present, the high-temperature tank container has been officially put into market use, and has been praised by the majority of customers. The successful research and development of high-temperature tank container has expanded the types of special tank containers of the company and further consolidated the position of NTtank in the field of special box manufacturing.

2021.11

Approve the addition of vacuum insulated tank in C2 tank container

In November 2021, NTtank decided to formally establish the qualification of C2 tank container with vacuum insulation tank, which marked that NTtank will soon enter the T75 cryogenic tank container industry, further enrich the product categories, and usher in new opportunities and challenges for the development of NTtank.

2022.6

Successfully develop the first T75 liquid nitrogen cryogenic tank container, NTtank entered the cryogenic industry and achieved full coverage from T0-T75 types.

The 20-foot light low-pressure tank successfully passed the railway impact test, NTtank has the ability to receive orders for 20-foot IMO, T1, T2 and other tank types; In June 2022, NTtank's 39-ton 20-foot light low-pressure tank successfully passed the railway impact test in Qiqihar test Center, NTtank now has the ability to receive orders for 20-foot IMO, T1, T2 and other tank types.

2022.11

“Nantong Tank Container Co., Ltd” is identified as a specialized small giant enterprise in Jiangsu Province

On 25th November, NTtank was identified as a specialized new small and medium-sized enterprise in Jiangsu Province in 2022 (the first batch). The selection reflects the company's achievements in recent years to take the road of specialized and special development, highlighting the company's commitment to become a leading company in the global refrigeration equipment and tank storage and transportation equipment industry.

2023.5

Attend the Transport Logistic exhibition in Munich, Germany

From May 9 to 12, the transport logistics exhibition was successfully held in Munich, Germany. This exhibition was held for the first time since the outbreak of the epidemic in three years, and almost all personnel in the industry came to participate. As an important member of ITCO, we have our own booth in the pavilion organized by ITCO. Taking this opportunity, we had a face-to-face conversation with the major customers in the industry, showing the scene of our rapid development to the major customers, laying a good foundation for future cooperation and relations, and better promoting the brand of NTtank to the world stage.

2024.1

Self-developed tank container electric heating system obtained the CE certificate

In January, the first cryogenic T75 strain strengthened tank container independently developed by NTtank passed the railway impact test, and since then the company's cryogenic T75 strain strengthened tank container has completed the static rigidity and dynamic impact test.

2024.6

Attend the Transport Logistic exhibition in Shanghai

From June 25 to 27, the tank industry's Transport Logistic exhibition was successfully held at Shanghai New International Expo Center. The Transport Logistic Exhibition is the most important exhibition in the tank industry, taking this opportunity, the company had a face-to-face conversation with the main customers in the industry, laid the foundation for a more stable cooperation relationship in the future, and knew more potential users, and better promote the brand of NTtank to the world stage.

2024.7

Successfully pass the explosion-proof electric heating system development and certification After a series of research and development work, NTtank successfully completed the development and certification of Zone 2 explosion-proof tank container electric heating system, products with ATEX, IECEx and GB three kinds of explosion-proof certification, to meet the domestic and most countries and regions in Europe and the United States of explosive hazardous environment zone 2 requirements.

2024.12

Completion acceptance of special tank production project

The company's special tank production project has completed the main structure, maintenance structure, fire protection engineering, hydropower engineering, and equipment basic engineering in accordance with the contract requirements, and completed the completion acceptance in December under the acceptance of Tongzhou District Quality inspection station and the five responsible parties.

Quality Control

Quality control is critical in tank production, and at NTTank, we have one of the most stringent checking procedures in the industry. Our experienced workers have continuously improved themselves over the past decade, ensuring that our tanks meet the highest standards of quality.
hydraulic test

Hydraulic Test

Every tank is witnessed with hydraulic test, air tight test, radiography test, etc.
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valve assembly

Valve Assembly

With world’s advanced production machine, strict quality control on every production step.
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dome pressing

Dome Pressing

Every tiny detail deserves our close attention, and every little action is an integral part of the company’s workforce.
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Customer Distribution

NTTank now serves over 600 customers in 60 countries worldwide, a testament to the trust our customers have placed in us. We're grateful for their continued support as we strive to provide the highest quality tanks and services.

Partner

Our partners also trust NTTank to deliver high-quality tanks. With an independent supply chain, we're able to produce tanks to the highest level of quality, earning the trust of not only our customers but also our partners.
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Related Certificates

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