
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.
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.
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.
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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