About hjstainless
Established in 2003, hjstainless supplies stainless steel piping products. We support customers with industrial pipes and tubes, base tubes for hygienic processing, finished clean and high-purity tubing, butt-weld fittings, special-alloy fitting requirements, volume procurement and drawing-based projects.
Company Profile
Hongji serves brand owners, equipment manufacturers, system integrators, distributors and professional purchasing teams that require stainless steel piping products. We begin with a review of the product information, confirming material grade, dimensions, wall thickness, surface finish, quantity, packaging and documentation before moving forward.
江苏泓基金属材料有限公司 · hjstainless
Experience Supporting Clean-System Companies
Hongji has long worked with established clean-system engineering companies in China on product supply and manufacturing coordination. Years of project experience have built familiarity with the handoffs from drawing, BOM and sample confirmation through volume scheduling, requirement changes, quality documents and recurring supply.
We value responsive, accountable service. Potentially ambiguous specifications and interfaces are reviewed early; open points are communicated clearly; samples, first articles and volume orders are coordinated with the customer; and packaging, labels and agreed documents are checked before shipment. For Hongji, good service means that every confirmed requirement has a corresponding result.
Our Products
Industrial Pipes & Tubes
Stainless steel welded and seamless pipe supplied to ASTM / ASME, JIS and GB systems. Refer to the Products page for the applicable product standard, dimensional standard, size, material grade and surface finish.
View Industrial Pipes & Tubes
Clean & High-Purity Tubing
Base tubes for hygienic processing and finished clean or high-purity tubing, specified by actual OD × WT with AP, BA, MP or EP finish and the required cleaning, oil- and grease-free condition, end capping, clean packaging and surface roughness testing.
View Clean & High-Purity Tubing
Butt-Weld Fittings
Elbows, tees, reducers and caps reviewed to ASTM / ASME, JIS, GB or customer drawings for product type, dimensions, wall thickness, material and surface finish, including project-based special-alloy fitting requirements.
View Butt-Weld FittingsManufacturing & Processing Base
Automated Welded Pipe Production Lines
ASTM/ASME size range DN15–DN250; JIS size range 15A–250A.
Polishing Centers
Internal and external surface processing of stainless steel pipe and tubing.
Fittings Manufacturing Centers
Elbows, tees, reducers and caps.
Cleaning & Packaging Center
Cleaning, end protection and packaging of pipe, tubing and fittings.
How We Support Customers
Standard Product RFQs
Review product name, standards, size, wall thickness, material grade, surface finish and quantity.
Multi-Item Volume Procurement
Receive BOMs, spreadsheets, PDFs or drawings and review different products and specifications line by line.
OEM & Custom
Confirm structure, dimensions, tolerances, surface finish, inspection, packaging and documentation against drawings, samples and critical requirements.
Quality & Delivery
Arrange applicable checks according to the product and order, then verify packaging, labels and agreed quality documents.
Actual Production Site
Our production site, welded pipe lines, polishing centers, and cleaning and packaging operations.
Start with Your Product Information
Send the product name, standards, size, material grade, surface finish, quantity, and any available BOM or drawings. Hongji will review the information item by item.
Submit an RFQ