About Us
Precision Metal Solutions
Trusted Worldwide
Founded in 2009, Shanghai Honglong Metal Materials Co., Ltd. is a leading one-stop high-end manufacturing service provider in China, offering capabilities in steel material processing, component fabrication, finished product manufacturing, and specialized technical services.
High Quality Tactical Solutions
We Are The Creators You Can Trust On For A Perfect Solution To All Your Needs.
We operate under the ISO 9001 Quality Management System, with advanced testing equipment including spectroanalysis, eddy current testing, hydrostatic testing, and intergranular corrosion evaluation. Every batch complies with international standards such as ASTM, ASME, DIN, EN, and JIS, and is accompanied by Mill Test Certificates (MTC 3.1/3.2). Our products are also verified by third-party inspection agencies like SGS, Bureau Veritas (BV), and CCIC.
SINCE 2009
Quality First, Customer First
OUR COMPANY
HLOEM is China’s premier “one-stop” premium service provider for all your steel requirements, offering capabilities in steel material processing, component fabrication, and custom machining services per drawings. Our steel material series includes: stainless steel, nickel-based alloy steel, copper alloys, titanium alloys, tool steel, die steel, low-alloy steel, carbon steel, galvanized steel, and non-magnetic steel. Product range includes: steel plates, steel coils, steel strips, round bars, square bars, structural sections, flanges, forgings, pipes, pipe fittings, fasteners, thin foils, wire coils, welding consumables, and custom-made parts per drawings.
OUR CUSTOMERS
Most of HLOEM’s/our customers are present in highly demanding industrial environments, such as energy industry –Thermal, nuclear, hydroelectric – chemical and oil/gas, shipbuilding, water technology – desalination, depuration -, where special materials are used and the highest quality standards required. Acequisa is aware of this need of top quality, both on the products purchased and the service received, so we always meet our customers’ expectations with the most professional and effective service.
Why Choose Us?
Choose confidence. Our solutions are crafted with meticulous attention to detail and a commitment to the highest standards. Experience seamless integration and dependable performance that protects your investment.
99.8% On-Time Delivery Rate
With real-time tracking and efficient routing,we ensure your goods arrive as promised,without surprises.
Global Coverage
With real-time tracking and efficient routing,we ensure your goods arrive as promised,without surprises.
smart logistics technology
With real-time tracking and efficient routing,we ensure your goods arrive as promised,without surprises.
Uncompromising Quality
Our steel products—from plates and coils to forgings and pipes—undergo rigorous quality checks. We deliver materials that meet the highest standards for strength, durability, and performance in the most demanding applications.
Custom Solutions & Processing
We go beyond supply. We offer value-added services like cutting, leveling, or tailoring our steel products (plates, coils, bars) to your exact specifications, reducing your processing time and costs.
delivering success,project by projiect
At Shanghai Honglong Metal Materials, we don’t just supply materials—we deliver results. Every project, whether a small-scale component or a large industrial installation, is approached with the same commitment: precision, reliability, and partnership.
From material selection and technical consultation to just-in-time delivery and quality assurance, we integrate seamlessly into your workflow. Our deep expertise in stainless steel and nickel alloys ensures that the right grade, thickness, and surface finish are matched to your exact requirements—minimizing waste, reducing lead times, and enhancing performance.
We’ve supported hundreds of projects across appliances, elevators, pressure vessels, and renewable energy systems. Each successful completion strengthens our mission: to be the trusted materials partner that helps you build better, faster, and more efficiently—project by project.
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Our Processing Platform
Supporting Equipment
At Shanghai Honglong Metal Materials, our value extends far beyond material supply. We offer a comprehensive suite of in-house precision processing capabilities, enabling us to deliver ready-to-use solutions tailored to your exact specifications.
One source. One standard. One trusted partner
Quality Comes First! We Make Sure That Every Minute Detail Is Looked Into While Manufacturing Even The Smallest Product. Our Focus Is 100% On Client Needs And Satisfaction.
Innovative Solutions
At Shanghai Honglong Metal Materials, we don’t just supply stainless steel—we engineer solutions. With deep technical expertise and strategic partnerships with leading global mills, we deliver innovative, application-driven material recommendations that go far beyond standard product supply.
Our goal? To help you select not just any material—but the most suitable, durable, and cost-effective solution for every project.
Innovation isn’t in the catalog. It’s in the collaboration.
Quality Unsurpassed
Our quality assurance system ensures consistent performance in critical applications—from pressure vessels operating under extreme pressure to medical devices requiring high-purity surfaces and marine equipment exposed to corrosive seawater.
We don’t just meet standards—we exceed them. With mill-certified test reports, proactive defect prevention, and zero-compromise on material integrity, we deliver steel you can trust, project after project.
Quality Unsurpassed. Performance Guaranteed
QUALITY
HLOEM maintains a Quality Management System based on the ISO 9001:2015 standard as an essential management tool to maintain and increase customer satisfaction, this being its main objective. The quality system is consistent with the purpose and context of the organization. Management expressly expresses its commitment to Continuous Improvement, Total Quality and compliance with applicable requirements. Quality Management is an objective and responsibility of all HLOEM staff, which is why Management is committed to providing the necessary human and material resources.o.
Our Quality Assurance
Full coverage of the production process ensures product quality
Our Quality Assurance
Certificate of Quality
serve you all time.
ISO9001:2015
QUALITY MANAGEMENT SYSTEM CERTIFICATE
ISO14001:2015
ENVIRONMENTAL MANAGMENT SYSTEM CERTIFICATE
SGS
STAINLESS STEEL 316L
POSCO
SGS
STAINLESS STEEL 304
POSCO
TISCO
STAINLESS STEEL 316L
INSPECTION CERTIFICATE
POSCO
STAINLESS STEEL 304L
INSPECTION CERTIFICATE
Partner Steel Co.
