Fujian Tengqi Pipe Technology Co., Ltd. is a wholly-owned subsidiary of Zhejiang Xintongdeta Special Steel Manufacturing Co., Ltd. (XTD). Leveraging XTD's over 40 years of experience in seamless stainless steel pipe manufacturing, Tengqi specializes in the supply and technical services of high-performance alloy pipes, large-diameter seamless pipes, and industrial pipeline solutions. As a key strategic layout of XTD in the southeastern region of China, Tengqi Pipe Technology fully utilizes the logistics advantages of Fujian's coastal ports, serving Southeast Asia, Japan, Korea, the Middle East, Europe, and global industrial markets. It provides stable and reliable seamless pipe products and project support services for industries such as petroleum and natural gas, petrochemicals, LNG, marine engineering, power, papermaking, pharmaceuticals, food processing, and water treatment. Company Positioning Tengqi Pipe Technology collaborates with XTD's Songyang production base in Zhejiang, fulfilling the group's functions in sales support, technical services, project coordination, and partial precision processing in Fujian and surrounding regions. The company primarily serves the large-diameter seamless pipe and high-end alloy pipe markets, with product outer diameters ranging from 141mm to 1016mm, meeting the application requirements of large industrial pipelines, high-pressure systems, and complex corrosion environments.
        With XTD's comprehensive production system, mature quality control processes, and rich international project experience, Tengqi Pipe Industry Technology can provide one-stop pipeline solutions from material selection, standard matching, technical consultation to delivery support for domestic and foreign EPC general contractors, engineering companies, equipment manufacturers, and end owners. The main product range of Tengqi Pipe Industry Technology relies on XTD's complete product system to supply a variety of high-performance seamless pipe products, including austenitic stainless steel seamless pipes. The main grades include TP304/304L, TP316/316L, TP321, TP347, TP310S, etc. The products can comply with international standards such as ASTM A312 and ASME SA312, and are widely used in chemical pipelines, heat exchange equipment, food and pharmaceutical, power and general industrial systems. The main materials for duplex and super duplex stainless steel pipes include UNS S31803/S32205 (2205), UNS S32750 (2507), UNS S32760, etc., which are suitable for working conditions with high chloride ions, high corrosiveness, and high strength requirements, such as marine engineering, seawater desalination, oil and gas extraction, and chemical plants. Nickel based alloys and corrosion-resistant alloy tube products cover high-temperature and corrosion-resistant alloy materials such as Hastelloy C-276/C-22, Inconel 625, Incoloy 800H/825, Monel 400, etc. They can comply with standards such as ASTM B444, ASTM B423, ASTM B165, and are suitable for strong corrosive media, high temperature and high pressure, and special industrial environments. High pressure and thick walled seamless pipe companies can supply various wall thickness specifications such as Schedule 10S to XXS, meeting the needs of the petrochemical industry LNG、 The demand for thick walled seamless pipes and special size pipes in offshore platforms, high-pressure pipelines, and large-scale engineering projects. Tengqi Pipe Industry Technology products rely on XTD's unified manufacturing system and quality management standards to strictly implement the full process quality management from raw material inspection, production process control, non-destructive testing, dimensional inspection to finished product shipment.
        XTD has established a comprehensive international certification system, with main certification and quality documents including: certification categories, main certificates/documents, quality management systems ISO 9001, ISO 14001, ISO 45001, classification society certification ABS, DNV, LR, BV European compliance certification PED 2014/68/EU, AD 2000 NORSOK M-650 qualification certification in the marine and oil and gas field, GOST/EAC certification in the Russian speaking market, quality documents EN 10204 3.1/3.2, and original factory inspection reports. NORSOK M-650 qualification certification reflects XTD's quality control capabilities in the high-end stainless steel pipe and alloy pipe manufacturing field, and also represents that its products can meet the high standard requirements for supplier audits and material performance in marine oil and gas, North Sea oil fields, and harsh industrial projects. Tengqi Pipe Industry Technology has long served high-end industrial customers at home and abroad in the service industry and application fields. Its products are widely used in: oil and gas and marine engineering pipelines, petrochemical and fine chemical equipment piping, LNG storage and transportation, low-temperature pipeline systems, nuclear power, thermal power and energy equipment, papermaking, pharmaceuticals, food processing industries, seawater desalination and industrial water treatment systems. High pressure, high temperature and strong corrosion pipeline systems rely on stable product quality, abundant material inventory, flexible project supporting capabilities and convenient port logistics conditions.
        Tengqi Pipe Industry Technology continues to provide high-quality products to customers in markets such as Asia, Europe, the Middle East, North America, and South America seamless stainless steel pipe、duplex stainless steel pipe、nickel alloy pipe Solution for large diameter sealing pipe. Our advantage is that Fujian Tengqi Pipe Industry Technology Co., Ltd. is not only an important extension of XTD's global supply chain and regional service capabilities, but also a service platform for large-diameter seamless pipes and high-performance alloy pipes for the international market. The company will continue to rely on XTD's manufacturing experience, technological accumulation, and quality certification system to provide more professional, efficient, and reliable pipeline products and technical support for global industrial customers.