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About Us

Ningbo Gangtong Zheli Fasteners Co.,Ltd. is a high-tech enterprise specializing in the design, production, sales and related consulting services of solar photovoltaic systems. We are specializing in the production of solar panel roof mounts, balcony solar mounts, solar ground mount, etc. The company has developed rapidly in the past ten years, covering an area of about 15,000 square meters. The factory is located in Ningbo Zhenhai Chemical Industry Zone, and the headquarters/overseas sales department is located in Ningbo Jiangdong Eastern Business Center.

As a solar photovoltaic system supplier, Gangtong has been committed to providing professional and comprehensive one-stop supporting solutions for solar energy systems in commercial, civil and public facilities fields since its establishment. Its main products include rooftop solar mounting systems, ground solar mounting systems, solar mounting accessories, etc.

We have a professional team, perfect services, reasonable prices and many years of export experience. The company firmly implements ISO9000 into every aspect of production, from raw material analysis, process inspection, to final approval before shipment. We have never stopped focusing on achieving excellent quality levels. Quality is the life of an enterprise. Strengthening quality awareness, cultivating quality attitudes, standardizing quality behaviors, and establishing a quality atmosphere are our directions to satisfy customers. Moreover, the products sell well in Europe, the United States, the Middle East and Southeast Asia, and are well received by customers at home and abroad.

The company has always carried forward the spirit of "employee-oriented, customer first, technical experts, quality first". We welcome you from all over the world to join us and establish win-win business partnerships and friendships.

Why Choose Us?

  • Wide Range Of Products And Reasonable Prices

    Our product line covers various fields to meet different consumer needs. By adopting advanced supply chain management strategies, we are able to keep costs low and ensure that our products are competitively priced. At the same time, we regularly launch special activities and discounts, so that consumers can enjoy a variety of products at the same time, but also get affordable prices.

  • High Product Quality And Guarantee

    We pay attention to product quality, strict control of the production process, to ensure that all products are in line with industry standards. We carry out strict quality inspection and performance testing of products to ensure that customers buy products without defects and reliable quality. In addition, we provide perfect after-sales service, such as warranty, return policy, etc., so that consumers buy worry-free.

  • Professional Team To Provide Quality Service

    Our team is composed of experienced professionals, who are familiar with industry dynamics and market needs, and can provide customers with professional advice and solutions in a timely manner. We value customer experience and provide real-time online customer support to ensure customers receive timely help and answers during the purchase process. In addition, we regularly collect customer feedback and continuously optimize our products and services to meet customer needs.

Our Certificate


We produce fasteners in various materials, especially stainless steel fasteners, including stainless steel bolts, stainless steel nuts, stainless steel screws, stainless steel washers, stainless steel threaded rods and studs, rivets, anchors and any customized fasteners you want.

Stainless steel bolts like hex bolts, carriage bolts,flange bolts, etc.
Stainless steel nuts like hex nuts, square nuts, flange nuts, T nuts, wing nuts, etc.
Stainless steel screws like self-drilling screws, self-tapping screws, wood screws, etc.
Stainless steel washers like flat washers, spring washers, square washers, etc.
Stainless steel threaded rods like stud bolts, threaded rods, etc.


  •  Austenitic Grades
  •  Straight Grades
  •  Low Carbon Grades
  •  High Carbon Grades
  •  Ferritic Grades
  •  Duplex Grades
  •  Precipitation Hardening Grades
  •  Super Alloy Grades
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