About Us

One-Stop Supplier for Rubber Joints, Bellows, and Waterproof Casings

Zhengzhou Hongze Valve & Pipeline Equipment Co., Ltd.

Zhengzhou Hongze Valve & Pipeline Equipment Co., Ltd. is a professional manufacturer and exporter specializing in pipeline connection and compensation solutions. Our core products include rubber expansion joints, metal bellows expansion joints, waterproof casing pipes, and stainless-steel flexible hoses.

With advanced production equipment, strict quality control, and experienced technical teams, we ensure stable performance, reliable sealing, and long-lasting durability for all our products. Our factory is located in Zhengzhou, China, with convenient transportation and full access to major ports.

Manufacturing Capability

We operate with CNC machining centers, hydraulic forming equipment, and precision welding facilities. From raw material inspection to final pressure testing, every step is strictly monitored. Customization is available based on international standards such as ANSI, DIN, JIS, and GB.

Quality Assurance

Our products are ISO 9001 certified and undergo 100% pressure and leakage testing before shipment. Material certificates, test reports, and full documentation are available upon request. We only use high-grade EPDM, NBR, PTFE, carbon steel, and stainless steel (SS304, SS316).

Global Export Experience

Hongze products are widely used in HVAC systems, water plants, power stations, industrial pipelines, and municipal projects. We have successfully exported to Southeast Asia, the Middle East, Europe, and Africa. OEM/ODM orders are welcome.

Customer Support

We offer 24/7 online support via WhatsApp and Email. Our sales engineers are fluent in technical communication and will assist you with quotation, customization, and after-sales guidance.

📞 Contact Us:

•WhatsApp: +86 15838027988

•Email: [email protected]

•Address: High-Tech Industrial Zone, Zhengzhou, China

features and benefits

What makes us standout

Wide Range of Solutions

We offer customized rubber expansion joints and pipeline products for various industrial applications, ensuring flexibility and reliability.

Professional Project Management

Our experienced project managers provide full technical support and efficient communication throughout every stage of your order.

Advanced Manufacturing Equipment

Equipped with modern production lines and strict quality control, we guarantee high product quality and on-time delivery.

worldwide reach

Global capacity

We operate a modern factory with advanced equipment and skilled technicians, ensuring stable supply and timely delivery for global industrial projects.

experience to be trusted

Our Accomplishments

Countries Served

Enterprise Clients

Production Lines

Custom Projects Completed

worldwide reach

Our Work Process

We follow a professional, efficient workflow to ensure every order is completed on time and to the highest standards. From understanding your needs to delivering high-quality products, we provide reliable solutions for your business.

Needs Analysis

Communicate with clients to understand project requirements and technical specifications.

Solution Design & Quotation

Provide tailored product solutions and professional quotations.

Production & Delivery

Manufacture with strict quality control and deliver to the client safely and efficiently.

greatest asset

our people and community

We believe our team is our greatest asset. With skilled professionals and a strong sense of responsibility, we deliver reliable products and excellent service to customers worldwide. Together with our partners and community, we grow and succeed.

Let Us Help With Your Pipeline Needs

Contact Us Now

Let Us Help With Your Pipeline Needs
We respond quickly to inquiries and provide expert support on rubber joints, metal hoses, and customized solutions.

About Us