Our premium yet affordable high-quality
Weldpi Stainless Steel Wire is meticulously crafted from
AISI 304 grade stainless steel, which is globally renowned for its exceptional
corrosion resistance, unparalleled durability, and remarkable versatility across a myriad of industries. Tailored to perfection, this wire is available in a range of diameters, including
0.3mm and 0.5mm, and expertly wound on
DIN200 spools, ensuring it is optimally designed to satisfy the exacting demands of precision and enhanced strength for an array of applications such as
springs, advanced filtration systems, welding innovations, and precision medical devices.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as an illustrious beacon of unparalleled excellence, blazing a pioneering trail in the stainless steel, titanium, and nickel alloy welded pipe industry. With remarkable distinction and boundary-pushing innovation, we set new standards for what is possible.
Endorsed by the prestigious Haynes International, Inc., our unwavering commitment to excellence shines through our steadfast adherence to the rigorous ISO9001:2001 quality management system. This ensures our products deliver unmatched quality and unwavering reliability, making us a leading name you can trust.
Our distinguished credentials speak volumes of our relentless pursuit of excellence, highlighted by the illustrious EU EN3.1 certificates and the esteemed TS pressure pipeline component manufacturing license. Our welding standards not only meet but frequently transcend the highest international criteria, including the coveted TUV certifications, ensuring our place at the forefront of global standards.
Driven by an unwavering commitment, we offer expedited, reliable, and avant-garde metal pipeline solutions. With passion and distinction, we cater to our cherished global clientele, transforming the way industry standards are defined.


Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands out distinctively as an illustrious leader in the alloy pipe industry. With a fervent commitment to excellence, we specialize in providing rapid and trustworthy comprehensive pipe solutions, seamlessly catering to the varied needs of our valued global clientele.
Our manufacturing expertise spans an impressive array of products, including stainless steel pipes, nickel-based alloys, titanium, zirconium, and various other non-ferrous metal alloy pipes. We pride ourselves on offering a complete, bespoke solution package that encompasses matching tees, reducers, elbows, flanges, and precision-engineered non-standard pipe forgings, tailored to perfection for our customers.
Our state-of-the-art factory is equipped with an extensive production line dedicated to alloy steel pipes. From rigorous raw material assessment to the final approval of products, including PMI material re-inspection and comprehensive experimental data validation, our operations strictly adhere to an exhaustive SOP process. Our welding techniques are meticulously aligned with WPS and PQR standards, ensuring unparalleled quality assurance and distinction in every project.
Our advanced manufacturing technology suite includes cutting-edge Dutch DELEM CNC bending machines, adept at managing substantial thickness ranges from 2mm to 100mm. Complementing this are Austrian Fronius welding machines and Japanese FANUC welding robots, all integrated with sophisticated laser welding seam guidance and tracking systems. This formidable automated welded pipe production line ensures impeccable product uniformity, quality, and reliability.
Weldpi's remarkable reputation is underscored by a plethora of prestigious domestic and international certifications, which affirm our unwavering commitment to quality and excellence. These accolades include the esteemed EU ISO9001 quality management system certification, the coveted TUV welding certification, and the China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry is immensely honored to possess the exclusive authorization from the renowned American Hastelloy Company in China. This enables us to collaborate, innovate, and produce Hastelloy long products, thereby pioneering new frontiers and unlocking new possibilities in the industry.
Our steadfast dedication to creating premium quality products drives us to continually deliver swift and reliable piping solutions. We are passionately committed to serving our global customers with unparalleled excellence, ensuring their needs are met with exceptional service and superior craftsmanship.
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.