Company Overview
Henan Guojiang Precision Formed Head Co., Ltd. was founded in 2013. Our company is a professional Chinese manufacturer of precision heads integrating R&D, production and sales, and
has currently obtained certifications such as the ASME Authorisation Certificate, the ISO 9001 Quality Management System Certification and Class A
Certification of China Chemical Industry Equipment Association. Our company is located in Xinxiang City, Henan Province, China. As
a core agglomeration area of China’s head industry, this region boasts unique advantages in
technical and human resources, and is known as the "Capital of China's Heads".
Products & Applications
Our main products include industrial Dewar flask heads, on-board
gas cylinder heads, quick-cooling storage tank heads, on-board
storage tank heads, heads for food and medical equipment,
and heads for magnetic resonance equipment. These products are used
in fields such as pharmaceutical manufacturing, food production,
photovoltaics, new energy, and chemical engineering. Among them, the market share of our company's cryogenic Dewar flask heads in
China exceeds 70%, and the supporting products are sold throughout the world.
Experience & Global Reach
As a benchmark enterprise in the precision head manufacturing
field, Guojiang has over 12 years of experience in R&D, production and customisation of various heads. Our
customers cover more than 10 countries worldwide, including Russia, the United States, the European Union, South
Korea, Vietnam, etc.
Our company implements strict quality control at every stage of
production and is committed to technological innovation to meet
clients' needs for customisation, high precision, and superior
quality across various industries.
- The flatness of high-precision flat head closures is controlled within
3mm, fulfilling the requirements of clients in the magnetic resonance
equipment industry.
- The surface roughness of polished head closures can be maintained
within 0.4μm, meeting the stringent surface quality standards of high-end
medical and food manufacturing clients.
- The development of reduced-opening head closures has minimised welding workload for clients in industries such as pressure vessels, reduced costs for components like gaskets, bolts, and flanges, and enabled smooth structural
transitions in equipment.
Company Scale & Expertise
Our company has a registered capital of RMB 35 million, covering a total area of more than 30,000 square meters, with a production and construction area of 20,000 square meters, and currently employs more than 100 people. We have an elite team with expertise in technology R&D,
quality management and years of experience in head manufacturing. Among them, our chief engineer is one of the drafters of China's national standards for pressure vessel
heads (GB/T25198-2023) and a member of the Third Fixed Pressure Vessel Subcommittee of
the China Boiler and Pressure Vessel Standardisation Technical
Committee.
Production Capabilities
At present, our company has more than 70 sets of main production equipment, capable of processing dished heads with a diameter ranging from 76 mm to 10,000 mm and a thickness ranging from 1 mm to 200 mm, with an annual output of over 400,000 units. The main production equipment includes:
- 12 hydraulic presses (ranging from 200 to 39,000 tons)
- 3 spinning machines;
- 3 drum pressing machine;
- 5 laser cutting and plasma cutting machines (with power from 4,000W to 20,000W)
- 10 head edge-cutting machines;
- 8 head closing machines;
- 1 automatic edge-cutting and end closing integrated machines;
- 5 drilling machines;
- 5 lathes;
- 8 polishing machines
We operate a full suite of core post-processing equipment, including heat treatment furnaces, NDT facilities, and pickling
tanks, ensuring complete in-house control.
- Heat Treatment Furnaces: Precisely enhance mechanical properties and relieve stress
for superior strength and toughness.
- NDT Facilities: Guarantee structural integrity and safety through rigorous
non-destructive testing.
- Pickling Tanks: Improve corrosion resistance and extend service life via
professional surface treatment.
Full in-house control guarantees superior head quality, reliable
delivery, and greater value for your business.
Win-win Cooperation
We are proud to collaborate with industry leaders worldwide,
spanning sectors including:
- Pressure Vessels
- MRI Equipment
- Water Filtration & Treatment Systems
- Papermaking Machinery
- Medical Devices
- Cryogenic Gas Equipment
- Beer Brewing Equipment
Adhering to the business philosophy of "Craftsman's Spirit, Quality
as Gold", Guojiang strictly controls every production process and
takes product quality and customer trust as the long-term goals of
the enterprise.
Welded Ellipsoidal Head S30408 Open Inner Diameter 2500mm Thickness 6mm
