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High-quality, cost-effective flanges, elbows, tees, reducers, and more — engineered for durability and precision in industrial pipeline systems.
Manufactured to international standards, our steel fittings ensure reliability, strength, and long-term performance across diverse industrial environments.
High and medium pressure flanges in stainless steel, carbon steel, and alloy steel. Compliant with ASME, ANSI, DIN, and JIS standards.
Seamless and welded elbows in 90°, 45°, and custom angles. Ideal for fluid and gas transfer systems.
Custom large-radius bends produced via intermediate frequency pushing for smooth flow and reduced turbulence.
Equal and reducing tees for branching pipelines. Precision forged and machined for leak-free connections.
Concentric and eccentric reducers for connecting pipes of different diameters with minimal flow resistance.
Weldolets, Threadolets, Sockolets, and Nipolets for secure branch connections in high-pressure systems.
Short pipe connectors and couplings for joining pipes, valves, and fittings in compact spaces.
Threaded unions for easy disassembly and pipe caps for sealing ends. Ideal for maintenance and system integrity.
Hebei Haihao Group Premium Pipeline Equipment Co., Ltd. is a leading manufacturer of flanges and pipe fittings based in Mengcun County, Cangzhou City, Hebei Province, China.
With over 40 years of industry experience since 1982, we operate three advanced production branches and 20 state-of-the-art production lines. Our team includes 15 engineers, 18 assistant engineers, and 24 skilled technicians, ensuring technical excellence in every product.
We combine decades of manufacturing expertise with cutting-edge technology and a customer-first philosophy to deliver unmatched value.
Over 40 years in flange and pipe fitting production with a strong technical team and 20 advanced production lines.
Full series of stainless, carbon, and alloy steel fittings — flanges, elbows, tees, reducers, olets, and more.
ISO 9001:2000 certified, safety-registered for pressure components, and designated by China National Chemical Engineering.
Pre-production samples, final inspections, and dedicated service teams ensure your satisfaction from order to delivery.
We are a factory specializing in flanges and pipe fittings, located in Mengcun County, Cangzhou City, Hebei Province, China.
We conduct pre-production sample checks before mass manufacturing and perform final inspections before every shipment.
Flanges, forged fittings, and a full range of steel pipe fittings including elbows, tees, reducers, olets, and caps.
First, we are a direct manufacturer — quality is 100% guaranteed. Second, we have a professional technical team that can customize designs. Third, we offer excellent pre-sale and after-sale service, always prioritizing customer interests.
Ready to discuss your project? Contact us today for a quote or technical consultation.
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