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CHANGSEN
A globally trusted valve supplier

We specialize in the production of metal castings (including ductile iron, die-cast aluminum, and steel) along with a wide range of valves and machine tool accessories.

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CHANGSEN
A professional manufacturer of metal castings and industrial valves

We specialize in the production of metal castings (including ductile iron, die-cast aluminum, and steel) along with a wide range of valves and machine tool accessories.

View More
CHANGSEN
Comprehensive Product Line & Customization

Committed to providing global customers with high-standard and customized industrial valves and water treatment solutions.

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Recommended Products

We specialize in the production of metal castings (including ductile iron, die-cast aluminum, and steel) along with a wide range of valves and machine tool accessories.

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Rubber flexible joint expansion joint

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Locking soft seal gate valve

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Stainless steel valve

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Stainless steel valve

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Z41X rising stem soft seal gate valve

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Z45X concealed soft seal gate valve

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Z45X concealed soft seal gate valve

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Welded ball valve

All Products
Changsen
10

Industry Experience

Changsen
300

Cooperative Clients

Changsen
30 +

Product Categories

Changsen
60

Export Countries And Regions

Factory
Factory environment
Workshop
Workshop environment
Production environment
Factory building

Why Choose Us?

Botou Changsen Intelligent Equipment Co., Ltd.

Located in Jiaobe Town, Botou City—known as China's "Founding Hometown"—in Hebei Province, our company benefits from a strategic geographical position with excellent transportation access. We are situated near the Beijing-Shanghai Railway, Jinghu Expressway, and National Highways 104 and 106, only 160 kilometers from Tianjin Port and close to the Bohai Sea. This places us at a key hub integrating rail, road, and maritime shipping.

We specialize in the production of a wide range of products, including gate valves, filters, automatic and manual self-cleaning filters, water hammer arrestors, flow meters, flow switches, explosion-proof valves, silent check valves, vortex preventers, angular strainers, mud discharge valves, sand separators, and more.

Our facility is fully equipped, with rational design and continuous technological innovation. All products meet national standards, and we consistently ensure high quality, striving to achieve customer satisfaction. We are committed to serving clients worldwide, promoting economic growth, and contributing to society. Guided by a people-oriented and market-driven approach, we provide reliable products and trustworthy services. Customized solutions are also available based on client drawings and requirements.

With competitive pricing and comprehensive services, our products are distributed nationwide. Adhering to the principles of integrity, practicality, and innovation, we aim to collaborate with partners from all industries to create a bright future and meet every customer's needs.

Business Scope:

We specialize in the production of metal castings (including ductile iron, die-cast aluminum, and steel) along with a wide range of valves and machine tool accessories.

Professional Team:

Our team comprises professional designers, technical engineers, and installation technicians. From design to manufacturing and installation, we maintain strict control over every step, ensuring that every detail meets the highest standards. We are dedicated to providing high-quality services to our customers, ensuring peace of mind in their agricultural production endeavors.

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Why Clients Love Work With Us?

With high-quality products and services, we have accumulated a large number of regular domestic and foreign customers and established a good brand reputation.

ОУМАЙ

Experienced Manufacturer & Strong Production Capability

As a professional manufacturer rooted in Botou, China's renowned "Founding Hometown," we possess comprehensive production facilities and mature casting/processing techniques. This ensures full in-house control from raw materials to finished products, guaranteeing stable and reliable quality.

ОУМАЙ

Comprehensive Product Line & Customization

We offer a full range of fluid control products, from valves to filters and flow meters. Our well-equipped facility supports custom manufacturing to meet diverse and specific client requirements.

ОУМАЙ

Quality Assurance & Technical Innovation

We are committed to rational design and continuous innovation. All our products strictly comply with national standards, guaranteed by a robust quality control system.

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Competitive Value & Customer-Centric Service

We leverage local supply chain advantages to offer high-cost-effective products and reliable service, adhering to principles of integrity and practicality to deliver exceptional value to our clients.

Serve The World 

More than 10+years of industry experience,it sells in more than 60 countries

Our products are popular in China and exported to Europe, America, Japan, South Korea, Australia, the Middle East, Africa, Southeast Asia and other countries and regions.   Our goal is to sincerely cooperate with domestic and foreign customers for mutual benefit and establish good business trade relationships.

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OEM & ODM

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Blog & News

Our team constantly strives to meet customer needs and requests. If you wish to use our services in your project, we would be happy to cooperate with you.

2025/09

Characteristics of stainless steel valves

Good corrosion resistance: Stainless steel valves can resist the erosion of various corrosive media and are suitable for corrosive environments such as chemical and pharmaceutical industries.

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2025/09

Common types and characteristics of hydraulic valves

Gate valve: The opening and closing component is a gate valve, which controls fluid flow through vertical lifting and lowering. It has the characteristics of low fluid resistance and good sealing, and is suitable for fully open or fully closed situations, such as reservoirs, pump stations, and pipeline systems.

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2026/02

Understanding Soft Seal Gate Valves: Key Features and Benefits

Soft seal gate valves are an integral part of many industrial systems, primarily serving as a means to control the flow of fluids in a pipeline. Unlike traditional gate valves that use a metal-to-metal sealing mechanism, soft seal gate valves utilize a resilient elastomer or polymer material to create a tight seal when the valve is closed. This configuration offers several advantages, making them

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2026/02

Top 5 Benefits of Hydraulic Valves for Effective Pressure Management

Top 5 Benefits of Hydraulic Valves for Effective Pressure Management Understanding Hydraulic Valves: A Brief Overview Hydraulic valves are crucial components in hydraulic systems, serving the vital function of controlling fluid flow and pressure. By regulating the pressure within these systems, hydraulic valves ensure that machinery operates smoothly and efficiently. The effectiveness of hydraulic

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