PED/ASME Certified 316L Stainless Steel Pressure Vessel Heads Manufacturer in China
1. Why Choose Us---Henan Guojiang Precision Formed Head Manufacturer.
(1). Professional Manufacturer with Rich Production Experience.
(2). 100% Full Traceability of Raw Materials and Dished Heads Produced by Our Factory.
(3). Our main strength is focused on Stainless Steel Dish Head and Carbon Steel Dish Head, with Cold Forming.
(4). Wide selection of mold sizes, integrated one-piece forming technology, delivering high dimensional precision for pressure vessel heads.
(5). Strictly follow production standards, meets with PED,ASME, and GBT, EN International Standards.
(6). Raw Materials Testing Certificates(MTC) meet international standards Standards, and 100% traceable.
2. Production Strictly Follows International Standards.
| Quality Certifications |
GB/T 25198-2023 |
| ASME BPVC Sec.VIII Div 1 |
| PED (Pressure Equipment Directive) |
| ISO 9001:2015 |
| ISO 14001:2015 |
(1). Authorized Certifications: ISO, ASME, PED, and other relevant pressure vessel certificates.
(2). Follows International Production Standards strictly, which exactly meets our customers' demand.
(3). 100% Full Inspections after production before Delivery.
(4). Complete Documentation provided for each order:
(a). Raw steel plate Materials Testing Certificate(MTC).
(b). Report of quality examination of Dished Heads.
(c). Partial Data report of Dished Heads.
(d). NDT Report for Large-Sized Welded Dished Heads. (RT, UT, PT)
3. Frequently Asked Questions(FAQ).
(1) Are you a factory or a trading company?
Henan Guojiang Precision Formed Head Company is a Professional Manufacturer of Dished Heads in China with ASME/PED Certifications. dedicated manufacturing facility specializing in the production of dished heads (ellipsoidal, torispherical, hemispherical, and custom-formed heads) for industrial applications.
(2) Is your quality control system reliable?
100% traceability of dished heads and Raw steel plate Materials Testing Certificate(MTC), 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 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 follow the 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 before production release and are strictly managed through internal scheduling controls to ensure on-time delivery in accordance with confirmed production plans.
4. Main Productions from GJ Formed Head Manufacturer.
(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. Package and Delivery before Shipment.
(1) All products are firstly wrapped with stretch film to prevent surface scratches.
(2) Optional packaging solutions: wooden cases, carton boxes, or bulk loading in 20GP / 40HQ containers.
(3) Direct full-truck delivery is available upon request.
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