Our high-quality
Stainless Steel Wire is meticulously crafted from
AISI 304 grade stainless steel, a material celebrated for its superb
corrosion resistance, unmatched durability, and remarkable versatility across a multitude of industries. This wire is available in a variety of diameters, including
0.3mm and 0.5mm, and is expertly wound on
DIN200 spools, ensuring it meets the rigorous demands for precision and strength across applications such as
springs, filtration systems, welding projects, and intricate 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. is a shining beacon in the world of alloy pipe manufacturing, distinguished as a leader devoted to providing fast and dependable comprehensive pipe solutions to our valued global clientele.
Our manufacturing prowess spans a vast array of products, including the finest stainless steel pipes, nickel-based alloys, titanium, zirconium, and other esteemed non-ferrous metal alloy pipes. We deliver a holistic, tailor-made solution package, complete with matching tees, reducers, elbows, flanges, and expertly customized non-standard pipe forgings, designed especially for you.
Our state-of-the-art factory is fitted with an advanced, fully integrated production line for crafting alloy steel pipes. From the thorough evaluation of raw materials to the final product approval, backed by PMI material re-inspection and comprehensive experimental data validation, our adherence to an all-encompassing SOP process is unwavering. Our welding operations are perfectly aligned with WPS and PQR standards, ensuring meticulous quality assurance and unparalleled excellence.
We are equipped with advanced manufacturing technologies, featuring top-tier Dutch DELEM CNC bending machines that effortlessly handle thickness ranges from 2mm to an incredible 100mm; Austrian Fronius welding machines and cutting-edge Japanese FANUC welding robots complemented by precision laser welding seam guidance and tracking systems. This formidable automated welded pipe production line guarantees exceptional uniformity, unrivaled quality, and ultimate reliability.
Weldpi is proud to have received a multitude of prestigious domestic and international certifications, underscoring our commitment to quality and excellence. These accolades include the esteemed EU ISO9001 quality management system certification, the highly regarded TUV welding certification, and the coveted China Pressure Pipe Manufacturing License (TS).
The Weldpi Pipe Industry holds the exclusive honor of being authorized by the prestigious American Hastelloy Company in China, to partner, innovate, and produce Hastelloy long products, paving the way for pioneering new horizons.
Our unwavering dedication lies in the art of crafting superior quality products. We pledge to deliver swift and reliable piping solutions and services, passionately committed to serving our global customers with unparalleled excellence.
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.