Henan GuoJiang Formed Head Factory is an ASME Certified Manufacturer of Stainless Steel Dished Head
1. Why Choose Us---Henan Guojiang Precision Formed Head Co., Ltd.
(1). Henan GJ Formed Head Manufacturer Adopts Strict Quality Control System and an Inner Traceability System to Guarantee Consistent Quality.
(2). Wide Production Range, One-Stop Purchasing, from Smallest Pipe Caps to Large Diameter Dished Head with Various Raw Materials According to Customer's Demand.
(3). Henan Guojiang Precision Formed‑Head Co., Ltd. has obtained ASME VIII‑1, PED and ISO certifications, which are globally recognized.
(4). We strictly adhere to scheduled delivery dates with our internal production‑scheduling system. Shipments will be delivered on time.
2. 100% Traceability for Raw Materials and Dished Head from GJ Formed Head Factory:
(1). We provide MTC (Material Test Certificates) issued by qualified raw‑material suppliers. Re‑inspection of raw materials is available upon clients’ requests.
(2). Full traceability via furnace heat‑numbers for all raw‑material batches.
(3). Complete traceability for every stainless‑steel dished‑head manufactured at Guojiang Factory.
3. Authorized Quality Certifications---Reliable Chinese‑Based Supplier of Stainless‑Steel Dished‑Heads for Long‑Term Partnerships
| Quality Certifications |
GB/T 25198-2023 |
| ASME BPVC Sec.VIII Div 1 |
| PED (Pressure Equipment Directive) |
| ISO 9001:2015 |
| ISO 14001:2015 |
(1). 100% Full Inspections after production before Delivery.
(2). Follows International Production Standards strictly, which exactly meets our customers' demand.
(3). Authorized Certifications: ISO, ASME, PED, and other relevant pressure vessel certificates.
(4). Complete Documentation provided for each order:
(a). Raw steel plate Materials Testing Certificate(MTC).
(b). Report of quality examination of Pressure Vessel Heads.
(c). Partial Data report of Pressure Vessel Heads.
(d). NDT Report for Large-Sized Welded Pressure Vessel Heads. (RT, UT, PT)
4. Wide Production Range--Related Dished Head Manufacturing.
(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) from Henan Guojiang Precision Formed Head Co., Ltd.
(1) Are you a factory or a trading company?
Henan Guojiang Precision Formed Head Company is a Professional Manufacturer of Pressure Vessel Heads in China with ASME/PED Certifications. dedicated manufacturing facility specializing in the production of Pressure Vessel Heads (ellipsoidal, torispherical, hemispherical, and custom-formed heads) for industrial applications.
(2) Is your quality control system reliable?
100% traceability of Pressure Vessel 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 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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