Our high-quality
Stainless Steel Wire is meticulously crafted from
superior AISI 304 grade stainless steel, celebrated for its outstanding
corrosion resistance, exceptional durability, and remarkable versatility across an array of industries. This premium wire is available in a variety of diameters, including
the precise 0.3mm and 0.5mm, and is expertly wound on
robust DIN200 spools, ensuring it meets the exacting demands of precision and strength for applications such as
springs, high-efficiency filtration, critical welding, and advanced medical devices.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, blazing a trail in the stainless steel, titanium, and nickel alloy welded pipe industry with remarkable distinction and innovation.
With the prestigious endorsement of Haynes International, Inc., our commitment to excellence is exemplified by our steadfast adherence to the rigorous ISO9001:2001 quality management system, ensuring unmatched quality and reliability.
Our distinguished credentials are a testament to our relentless pursuit of quality, featuring the illustrious EU EN3.1 certificates and the TS pressure pipeline component manufacturing license. Our welding standards not only meet but often exceed premier international criteria, including esteemed TUV certifications.
Our steadfast commitment is to provide expedited, reliable, and avant-garde metal pipeline solutions, passionately serving our cherished global clientele with distinction.


Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands at the forefront as a leading authority in the alloy pipe manufacturing industry. We are passionately committed to providing swift, reliable, and comprehensive pipe solutions that exceed the expectations of our esteemed global clientele.
Our remarkable manufacturing capabilities span a diverse array of products, from stainless steel pipes to nickel-based alloys, titanium, zirconium, and a variety of other non-ferrous metal alloy pipes. We offer our customers a fully integrated, tailor-made solution package. This includes matching tees, reducers, elbows, flanges, and the precise customization of non-standard pipe forgings.
Our factory is equipped with a state-of-the-art, comprehensive production line dedicated to alloy steel pipes. From the meticulous evaluation of raw materials to the final approval of products, PMI material re-inspection, and thorough experimental data validation, we meticulously adhere to a comprehensive SOP process. Our welding processes are stringently aligned with WPS and PQR standards, ensuring unmatched quality assurance and excellence.
We leverage advanced manufacturing technologies, including: Dutch DELEM CNC bending machines that expertly handle thicknesses ranging from 2mm to an impressive 100mm; Austrian Fronius welding machines and Japanese FANUC welding robots, augmented by cutting-edge laser welding seam guidance and tracking systems. This robust, automated welded pipe production line guarantees exceptional product uniformity, premium quality, and unparalleled reliability.
Weldpi has achieved numerous prestigious certifications both domestically and internationally, underscoring our dedication to quality and excellence. These accolades include the EU ISO9001 quality management system certification, TUV welding certification, and the distinguished China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry holds the exclusive authorization from the renowned American Hastelloy Company in China. This unique collaboration allows us to innovate and produce Hastelloy long products, pioneering new frontiers in the industry.
Our relentless commitment is to crafting products of superior quality. We are steadfast in delivering swift, dependable piping solutions and services, dedicated to serving our global customers with unparalleled excellence and passion.
Are you a factory or a trading company?
We are a dedicated factory specializing in the manufacturing of seamless stainless steel pipes. Additionally, we offer welded stainless steel pipes and pipe fittings to meet your comprehensive needs. Our in-depth market knowledge ensures that we deliver only the highest quality products, each meticulously inspected before shipment.
Do you have any certificates?
We proudly hold numerous prestigious domestic and international certifications, including the EU ISO9001 Quality Management System Certification, TUV Welding Certification, and the China Pressure Pipe Manufacturing License (TS).We are also exclusively authorized by the American Hastelloy Company in China for the collaboration, development, and production of Hastelloy long products.
What is your delivery time?
Delivery time primarily depends on your order volume. Typically, we deliver within approximately one month for a standard 40FT container. For in-stock items, shipping can be expedited to just 5 days.
What are your payment terms?
Our standard payment terms are a 30% deposit with the remaining balance against the bill of lading. We also accept L/C. Shipping terms include EXW, FOB, CFR, and CIF, tailored to your preference.
How can you guarantee the quality of my goods?
We ensure all materials undergo 100% PMI testing and precise measurement before shipping. We welcome third-party inspections and provide the EN10204.3.1B Mill Test Certificate for all materials.
How do you establish long-term and positive business relationships?
1. We maintain superior quality and competitive pricing to maximize our customers' benefits.
2. We respect every customer, conducting business with sincerity and maintaining high service standards both before and after every transaction.