Zhejiang GTC Xiaoxing Sealing Material Co., Ltd.

Founded in 1985, GTC Xiaoxing is dedicated to the safe and reliable operation of fluid sealing systems, providing customers with key safety basic components and technical solutions in the sealing field. The company covers an area of 150,000 square meters, with a factory building area of 190,000 square meters. It currently has more than 700 employees, more than 1,800 sets of main production equipment, and total assets of more than 700 million yuan. The company is a national key specialized, refined, distinctive and innovative "Little Giant" enterprise, a high-tech enterprise, and a AAA-grade credit enterprise, and is one of the well-known enterprises leading in production scale in the world's packing static sealing field.
The company produces and sells nine major series and hundreds of thousands of specifications of products, including various braided packings, flexible graphite products, PTFE sealing products, non-asbestos sealing products, rubber sealing products, metal (composite) gaskets and non-metallic gaskets, molded packings, steel-lined plastic composite pipes, and sealing accessories. They can meet various harsh working conditions such as ultra-high temperature, ultra-low temperature, low emission, strong acid, and strong alkali.
GTC Xiaoxing products are widely used in many industries and fields such as petrochemicals, metallurgy, nuclear power, chemical industry, thermal power, shipbuilding, photovoltaics, equipment manufacturing, and new energy. Users cover more than 50 countries and regions including mainland China, Europe and the United States, and the company has won customers' trust and appreciation.
GTC Xiaoxing has accumulated nearly 40 years of experience in sealing product R&D, production, market services, and business management, and has successively established five major scientific research and technical platforms: an academician workstation, a postdoctoral research workstation, a provincial applied technology research institute, a provincial enterprise technology center, and a provincial high-tech research and development center.
The company has obtained the special equipment pressure pipeline component manufacturing license (factory prefabricated pipe sections); passed the type tests for all units of special equipment pressure pipeline sealing components and pressure pipeline special components; passed the ISO 9001:2015 quality management system certification, ISO 14001:2015 environmental management system certification, and ISO 45001:2018 occupational health and safety management system certification; and obtained multiple industry certifications such as China Classification Society CCS, American Bureau of Shipping ABS, Det Norske Veritas DNV, and EU TA-Luft, as well as product testing under multiple industry standards such as FDA, API, and ISO.
The company actively participates in the formulation and revision of national and industry standards and is an advanced unit in the standardization of non-metallic mineral products and products nationwide. Up to now, it has led the drafting of 3 national standards, 3 industry standards, and 1 Zhejiang Manufacturing standard (T/ZZB 1665-2020 "Low Emission Flexible Graphite Sealing Packing for Valve Stems", which passed Zhejiang Manufacturing certification in 2021), and participated in the drafting of 18 national standards, 1 industry standard, and 2 group standards.
CPS Xiaoxing series products have successively won many honors and multiple patents such as "National Key New Product", "National Invention Patent Gold Award", "National Science and Technology Progress Award", and "Science and Technology Award". At present, the company owns 53 core independent intellectual property rights, including 27 invention patents and 26 utility model patents; another 10 invention patents are in the substantive examination stage. In 2019, the company was recognized by the Hangzhou Municipal Market Supervision and Administration Bureau as a Hangzhou patent pilot enterprise, and in 2023 it was recognized as a Hangzhou patent demonstration enterprise. Since its establishment in 2016, the company has carried out more than 60 research and development projects, and most patented technologies have been fully implemented. "Flexible Graphite Material for Hydrogen Fuel Cell Bipolar Plates" was recognized as one of the first batch of new materials in China, and "Low Emission Flexible Graphite Sealing Packing for Valve Stems" passed the Zhejiang Manufacturing "Pin" logo certification and was recognized as a Zhejiang Manufacturing Premium Product.
The company attaches importance to trademark protection and registration. Up to now, the company has registered 12 trademarks, covering Classes 7, 17, and 36, covering the company's main business and product categories. The registration of these trademarks not only protects the company's intellectual property rights but also enhances the company's brand image and market competitiveness.
Pursuing innovative development, forging a century-old Guotai. Strengthening the foundation through science and technology, creating a first-class sealing enterprise. We will remain true to our original aspiration and keep our mission firmly in mind. We will be trustworthy in words and deeds, strive for excellence, create a famous brand in the international sealing industry, wholeheartedly provide customers with first-class sealing technology and solutions, dedicate safe and reliable products and services, and jointly create a safe and clean living environment.
Because it is safer, it is more reassuring.