ASME Certified 304L 316L Stainless Steel 2:1 Elliptical Heads Manufacturer from China
1.About GJ ASME 2:1 Elliptical Heads Manufacturer:
Henan GuoJiang Precision Formed Head Co., Ltd. is one of leading Chinese manufacturers of stainless steel elliptical heads. A full production range of Stainless Steel Dished Heads available in diverse specifications. All raw materials we adopt comply with ASME and PED standards, and full 100% material traceability is guaranteed via furnace heat numbers.
2. Quality Control of GJ ASME 2:1 Elliptial Heads Manufacturer:
(1) Controlled Manufacturing Process
All production is executed under a strictly controlled manufacturing workflow. Each order is released with an approved process route sheet issued by our Production Technology Department, ensuring full traceability from raw material to final inspection. Operators are required to follow defined process parameters at every stage, guaranteeing consistency, repeatability, and compliance with engineering specifications.
(2) Inspection & Quality Assurance System
We implement a risk-based inspection strategy in line with international pressure equipment quality practices.
For large-diameter dished ends, 100% dimensional and visual inspection is carried out by our Quality Control Department to ensure full compliance with customer drawings and technical requirements.
For small-diameter pipe caps, batch sampling inspection is applied based on defined acceptance criteria. If all sampled products meet requirements, the batch is approved. In the event of any non-conformity, the entire batch is re-evaluated to identify and isolate all non-conforming products, ensuring zero defective delivery to customers.
(3) International Certifications & Compliance
We are certified under ASME and PED (Pressure Equipment Directive) standards, demonstrating our capability to manufacture pressure components for global markets including Europe and North America. These certifications ensure our products meet stringent requirements for safety, reliability, and performance in pressure vessel and critical industrial applications.
3. Certifications Obtained by GJ Formed Head Factory:
| Quality Certifications |
GB/T 25198-2023 |
| ASME BPVC Sec.VIII Div 1 |
| PED (Pressure Equipment Directive) |
| ISO 9001:2015 |
| ISO 14001:2015 |
4. Products Range from Henan Guojiang Precision Formed Head Co., Ltd.
(1) Elliptical Head
(2) Torispherical Head
(3) Polished Mirror Head
(4) Conical Head
(5) Flat Head
(6) Pressure Vessel & Tank Head
(7) Pipe Caps
(8) Customization Accepted.
5. Frequently Asked Questions(FAQ):
(1) Are you a factory or a trading company?
Henan Guojiang Precision Formed Head Co., Ltd. is a dedicated manufacturing facility specializing in the production of stainless steel dished Heads (elliptical, torispherical, hemispherical, and custom-formed heads) for industrial applications.
(2) Is your quality control system reliable?
Our production system operates under a structured quality management workflow with strict process control. Each manufacturing order is released only after technical review and process validation by the Production Technology Department.
All fabrication stages are governed by controlled process sheets (route cards), ensuring traceability and compliance at every step, including forming, heat treatment (if required), machining, and inspection. Batch-level quality control is implemented to ensure dimensional accuracy, surface integrity, and compliance with applicable technical specifications, including high-precision applications such as MRI and magnetic resonance equipment.
(3) Do you support customization?
Yes. We provide full customization services for non-standard and engineered stainless steel dished heads. Production is carried out strictly according to client-supplied technical drawings, material specifications, design codes, and dimensional requirements. Engineering support is available for specification clarification prior to quotation and manufacturing.
(4) Do you strictly control delivery schedules?
Yes. Delivery control is integrated into our production planning system. Each order is assigned a defined manufacturing schedule based on process routing, material availability, and workload balancing.
Lead times are calculated prior to production release and are strictly managed through internal scheduling controls to ensure on-time delivery in accordance with confirmed production plans.
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