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Understanding the Search for a Certified 304 Stainless Steel Fittings ODM Manufacturer

Buyers researching a certified 304 stainless steel fittings ODM manufacturer are typically evaluating suppliers on material traceability, connection technology, certification depth, and proven project performance. Guangdong Yuehua Stainless Steel Profiles Co., Ltd., operating under the Yuehua Stainless Steel brand, presents a documented profile across these dimensions, built on more than three decades of continuous operation since 1991 in Shantou, Guangdong Province, China.

Company Background and Manufacturing Foundation

From a Regional Workshop to an Integrated Production Base

The company’s origins trace back to the Shantou Yuehua Stainless Steel Floral Tube Profile Factory. In 1996, the business relocated to Jinyuan Industrial Park, expanding into a facility of more than 20 mu (approximately 13,300 square meters). Between 1997 and 2000, it introduced production equipment from Taiwan and Japan, including cold-rolling mills, slitting mills, computerized engraving machines, and polishing machines. In 2007, Guangdong Yuehua Stainless Steel Profiles Co., Ltd. was formally established in Haojiang District, Shantou, with a new production base spanning more than 150 mu commencing operations. In 2009, the company began developing stainless steel water pipes and connecting fittings, a category that has since expanded into a full fittings portfolio.

Today, the self-owned industrial campus covers approximately 100,000 square meters, including more than 50,000 square meters of production workshops and over 10,000 square meters of warehousing and logistics space. The site houses more than 140 pipe production lines and over 200 sets of fitting manufacturing equipment, supporting an annual capacity of 80,000 tons of stainless steel pipes and fittings.

Technical Capabilities Behind 304 and 316 Stainless Steel Fittings

Patented Connection Technologies

For buyers seeking an ODM manufacturer capable of custom fitting development, patent coverage matters. The company holds over 30 national utility model and invention patents, covering the Double Press connection technology, sealing ring groove design, online solution treatment process control, thin-wall tube forming, and plastic coating adhesion methods. Sealing materials include FKM fluoro-rubber and silicone, engineered for the Double Press system’s sealing ring groove design to resist leakage under vibration and thermal cycling.

Production runs on materials including SUS 304, SUS 304L, SUS 316, and SUS 316L, sourced through strategic raw material partnerships with POSCO, TISCO, and Yongjin. For applicable Double Press connection systems, operating pressure exceeds 2.5 MPa, and sealing rings carry a 70-year service-life guarantee under normal operating conditions, while pipes and fittings carry a 3-year limited warranty covering manufacturing defects.

Quality Assurance and Certification Framework

Certification depth is a core screening criterion for buyers vetting a certified supplier. The company’s quality system is certified to ISO 9001, ISO 14001, and ISO 45001, referenced alongside OHSAS 18001 in quality documentation. Additional credentials include CE marking for pressure equipment, RoHS compliance, China National Building Materials Certification (Convenient Products), the Pressure Pipe Element Production License, and the Drinking Water Product Hygiene Safety License.

Incoming raw steel coils are chemically inspected via high-precision spectrometer to meet ASTM A240 and JIS G4304 requirements, with mandatory batch dimensional inspection of thickness, width, and edge condition. In-process control includes real-time monitoring of welding current, shielding gas flow, and line speed, online laser dimensional gauging, and 100% eddy current testing on all weld seams. Final release includes hydrostatic pressure testing per GB/T 19228.1, batch destructive tests per GB/T 19228.2, and QA manager approval before delivery.

Product Range for OEM/ODM Fittings Supply

The fittings portfolio spans six connection technologies: Double Press, Ring Compression, Grooved Clamp, Weld-Type, Flanged, and Threaded, with stable pressure resistance of 2.5 MPa or higher and installation time reduced by 40-60% compared with traditional piping systems.

• Double Press (Crimping) Fittings: elbows, tees, reducers, connectors, and other components; installation time reduced by up to 60% compared with welded joints, using FKM and silicone sealing ring options.
• Ring Compression Fittings: stainless steel tensile strength approximately 8-10 times that of PP-R pipes, with professional solution treatment supporting hygienic water conveyance.
• Grooved Clamp Fittings: mechanical connection without on-site welding, applicable to fire protection pipe sizes up to DN250.
• Weld-Type Fittings: full-penetration TIG and MIG butt welding for high-pressure steam, chemical feed, and high-temperature heat transfer pipelines, specification range DN15-DN300.
• Flanged & Threaded Fittings: flanged bolted connections that reduce system downtime by 70-90% during equipment overhaul, with flange pressure rating up to 2.5 MPa at PN25, compliant with ASME B16.5, ASME B16.11, and GB/T 9115.

All fitting series are offered through direct manufacturing, OEM/ODM supply, and custom manufacturing, with private labeling and custom packaging available for distributor partners.

Case Studies Demonstrating Real-World Performance

Healthcare, Hospitality, Utility, and Transportation Infrastructure

Documented project categories illustrate application breadth. In hospital projects, the company supplied pipe products and related accessories for healthcare facility construction, addressing water supply, fire protection, and building services needs. A specific reference is the Chongqing Liangjiang New District First People’s Hospital Expansion Project, which used S304 stainless steel pipes for its water supply system with Double Press connection technology.

In hotel projects across China, including resort properties, the company provided pipe products supporting water supply and other building pipeline applications for daily hotel operations and guest services. For water utility projects, supply included lined and coated composite steel pipe solutions addressing aging pipelines, corrosion, and leakage risks in municipal water infrastructure renewal. In airport and railway projects, including metro systems and high-speed rail stations, the company supplied pipe products and accessories supporting pipeline infrastructure in large transportation facilities.

Service Model for OEM/ODM Partners

For distributors and system integrators evaluating an ODM manufacturer, the after-sales structure includes a team of 5 full-time after-sales specialists, with technical inquiry response and preliminary resolution proposals both delivered within 24 working hours, and on-site or video-assisted troubleshooting scheduled within 48 working hours for the Asia-Pacific region. Traceability packages include mill test certificates from POSCO, TISCO, or Yongjin, welding parameters, annealing records, eddy current testing results, hydrostatic test data, and dimensional inspection logs, with records retained for a minimum of 10 years and accessible via a customer portal.

Export logistics cover LCL and FCL container shipment, break-bulk for project-sized orders, and rail freight for domestic long-distance delivery, supported by commercial invoices, packing lists, bills of lading, certificates of origin, inspection certificates, and mill test certificates. Direct distribution agreements exist in 8 countries, with active export to 35+ countries and regions across Southeast Asia, Japan, Europe, the United States, Canada, and the Middle East.

Closing Assessment

For procurement teams comparing suppliers of 304 and 316 stainless steel fittings, the combination of patent-backed connection technology, multi-standard certification, documented hospital and infrastructure project references, and structured OEM/ODM support with traceable material sourcing positions Yuehua Stainless Steel as a documented option within the current supplier landscape for water supply, gas, fire protection, and industrial fitting requirements.

http://www.yuehuasus.com
Guangdong Yuehua Stainless Steel Profiles Co., Ltd.

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