Yongda Yongda

Cheap Piping Gate Manufacturer & Company

High-Value Valve Engineering, Precision OEM/ODM Metallurgy, and Globally Certified Energy Distribution Solutions

Premium Water Control & Piping components

Engineered to deliver exceptional fluid management performance at optimized manufacturing scale.

ODM Male and Female Tee Brass Pipe Fitting

ODM Male and Female Tee Brass Pipe Fitting Manufacturer, Product

Heavy-duty forged brass tee fitting engineered for high durability in commercial water networks.

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Brass Compression Fittings for PEX-AL-PEX Pipe

High-Quality Brass Compression Fittings for PEX-AL-PEX Pipe Pricelist, Exporters

Precision-machined compression fittings designed for reliable, leak-free PEX-AL-PEX connections.

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OEM Floor Heating Systems Water Mixing System

OEM Floor Heating Systems Water Mixing System Temperature Control for HVAC Product, Products

Advanced water mixing loop system providing precise temperature control for efficient underfloor heating.

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CE Certified Brass Manifold for Underfloor Heating

CE Certification Temperature-Controlled Water Divider High Quality Brass Manifold for Underfloor Heating Manufacturers, Product

Certified high-grade brass manifold system designed for uniform heat distribution across heating zones.

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Best Safety Valve Factory

Best Safety Valve Factory, Factories

Industrial pressure relief safety valves engineered to protect pipeline systems from sudden pressure spikes.

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OEM Brass Angle Valves for Water Exporters

OEM Forged Brass Two Way Angle Valves for Water Exporters, Company

Forged two-way brass angle valves designed for durable shutoff and control in water pipelines.

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China Angel valve-Plating Exporters

China Angel valve-Plating Exporters, Companies

Plated angle valves designed with anti-corrosion properties for long-term domestic and industrial use.

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Cheap Digital Heating Panel Thermostat Exporter

Cheap Digital White Color Heating Panel Underfloor System Room Thermostat Exporter, Companies

Cost-efficient digital room thermostats for precise smart temperature adjustment in residential systems.

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The Global Valve Sourcing Challenge

Maximizing System Lifecycle & Procurement Value without Quality Compromises

For modern engineering projects, procurement executives searching for a cheap piping gate manufacturer face the complex challenge of balancing upfront CapEx with long-term operational integrity. In industrial fluid networks, choosing sub-standard components can lead to costly valve failure, micro-leakages, and catastrophic pressure drops.

As a leading supplier based in Yuhuan, China's valve capital, we bridge this gap. Our state-of-the-art forging processes and smart material allocations allow us to supply high-durability brass gates and valve fittings that optimize cost structures without sacrificing mechanical resilience, complying with strict international regulations.

  • Optimized Forging & Precision CNC Machining to minimize metal waste.
  • 100% Quality Assurance with inline optical spectrum analyzers.
  • High-performance sealing materials reducing operational maintenance costs.
Yuhuan Yongda Manufacturing Workshop

Yuhuan Yongda Fluid Control Co., Ltd.

Our Legacy of Manufacturing Innovation Since 1996

Founded in 1996 in Yuhuan, Zhejiang—celebrated globally as the "China Valve Capital"—Yuhuan Yongda Fluid Control Co., Ltd. (formerly Yuhuan Yongda Plumbing Co., Ltd.) has evolved into an industry-leading plumbing valve enterprise. We unify product design, advanced R&D, structural testing, and high-volume sales under one roof.

Our specialized product catalog is divided into three core categories: brass valves, pipe fittings, and HVAC distribution components. Engineered primarily for the medium and high-end markets, our products highlight the advantages of environmental sustainability and robust service life, making us a preferred choice across North America, Europe, and Asia.

Under our premium brand, Cokaren, and its foundational brand promise "keep flowing, keep warming," we design refined, long-lasting hydronic accessories that deliver safety and comfort to homes and industries worldwide.

Cokaren Brand Operations
1996
Founded In
80,000㎡
Usable Factory Area
600+
Advanced Testing & Prod. Equipment
20+
Exported Countries & Regions
Quality Inspection Process

Quality Culture: "Fine Work, No Leakage"

Human-Centric Management Combined with Strict Manufacturing Compliance

Our company culture is built upon four pillars: Struggle, Enterprising, Pragmatic, and Innovative. Guided by our core tenet of "Customer First, Quality Based," we align business growth with our employees' development, cultivating a dedicated workforce that maintains the highest levels of workmanship.

Our quality policy, "Fine work, no leakage," is enforced across every production cell. From initial forging and sand-blasting to precision thread cutting and multi-stage testing, our automated workflows minimize human error, ensuring every gate valve and fitting leaves our facility with high performance certifications.

Yongda Factory Operations and Certifications

International Standards & E-E-A-T Compliance

Eco-Friendly Manufacturing Backed by Verified Certifications

To support global supply chains, we maintain rigorous factory audits and hold multiple international safety and environmental certifications:

  • ISO 9001:2015: Quality Management System Certification ensuring standard operations.
  • ISO 14001:2015: Environmental Management System compliance for sustainable production.
  • ISO 45001:2018: Occupational Health and Safety Management System protecting our workers.

Our focus on lead-free and low-lead brass compositions meets European and North American environmental directives (such as RoHS and NSF/ANSI compliance), positioning us as a reliable partner for green initiatives.

Energy Distribution Systems

Integrating high-efficiency manifolds, filters, mixing shunts, and actuators for modern underfloor heating and HVAC networks.

Energy Distribution System Schematic Diagram
Y9021 Water Filter

Y9021 Water Filter

The first line of defense in domestic water sanitation, filtering 98% of pipeline impurities.

Boiler Angel Valve Y5001/Y5002

Boiler Angel Valve Y5001/Y5002

Controls hot/cold water distribution in heating systems, using a high-precision spherical spool.

Y9070 Venting Valve

Y9070 Venting Valve

Automatically discharges trapped air from heat pumps to safeguard stable operation.

Y5020 Mixing Shunt

Y5020 Mixing Shunt

Mixes system water lines to stabilize temperatures and protect sub-floor conduits.

Y9031 Smart Thermostat

Y9031 Smart Thermostat

Integrates room heating loops for digital temperature scheduling and energy efficiency.

Y2010/Y6012 HVAC Valve

Y2010/Y6012 HVAC Valve

Filters debris, controls manifolds, and accurately measures localized flow pressure.

Y1001 Manifold

Y1001 Manifold

Engineered brass design to distribute multi-zone heating flows and maintain balanced pressures.

Flow control accessories

Hydronic Flow Controllers

Engineered for high-efficiency zone balancing in multi-family apartment buildings.

Featured Plumbing & Gate Valve Solutions

Explore our core product lines, developed for global contractors and utility networks.

Ball Valve with Filter

Ball Valve with Filter

Compact design combining a robust shut-off ball valve with an integrated stainless steel strainer.

Technical Specs
The Temperature Control Valve

The Temperature Control Valve

Provides manual and automatic fluid throttling for heating networks and domestic hot water systems.

Technical Specs
Mixing Shunt

Mixing Shunt

High-precision thermostatic balancing loop that limits maximum water entry temperature to floor pipes.

Technical Specs
Manifold

Manifold

Precision-bored manifolds featuring adjustable flow-meters for simple multi-zone system setup.

Technical Specs
Horse Bibcock

Horse Bibcock

Heavy-duty outdoor hose bib taps cast from corrosion-resistant brass with ergonomic control levers.

Technical Specs
Gate Valve

Gate Valve

Full-bore brass gate valves providing minimal flow resistance and quick shut-off capabilities.

Technical Specs
Water Meter Tubes

Water Meter Tubes

Pre-formed brass connection sleeves designed to accommodate standard municipal flow meters.

Technical Specs
American Brass Hose Barb Fittings

American Brass Hose Barb Fittings

Industrial-grade hose couplings manufactured to meet strict American thread standards (NPT).

Technical Specs

Industrial Solutions & Engineering Trends

Providing information depth on how modernized valve design supports green building mandates.

Advanced Metallurgy

Modern commercial infrastructure demands Dezincification Resistant (DZR) brass alloys. As a forward-thinking piping gate company, we incorporate optimized trace elements like arsenic to prevent selective zinc leaching, maintaining structural integrity when exposed to aggressive hot-water cycles.

HVAC Digitalization

Hydronic space heating is shifting toward smart balancing. Integrating mechanical thermal actuators with centralized room thermostats allows municipal district heating nodes to match user demands in real time. Our product designs reflect this, offering smart thermostats engineered to interface with brass manifolds.

Leak-Proofing and ESG

Our "Fine work, no leakage" policy directly supports ESG goals. Even minor liquid loss in high-pressure networks leads to significant power waste in circulation pumps. Precision CNC threading (BSP/NPT) ensures robust, tight connections that limit carbon footprint and water waste.

Frequently Asked Questions

Technical guidance and sourcing support for international plumbing components buyers.

How does Yongda achieve competitive pricing on industrial gate valves?

We leverage our 45,000+ sqm factory layout in Yuhuan—China's valve capital. By using automated forging presses, centralized raw material sourcing, and specialized multi-axis CNC machine tools, we minimize material scrap and optimize output speed, passing the savings directly to our buyers without compromising mechanical tolerances.

Which brass alloys are used in your HVAC and plumbing manifolds?

We work with European standard CW617N, CW614N, and lead-free alloys like HPb59-1 or DZR brass depending on target market regulations. Every batch of raw brass is validated using optical emission spectrometers before thermal forging begins.

What is the factory lead-time for large OEM orders?

Generally, first-run OEM orders take 30 to 45 days. This includes drawing approval, customized forging mold development, CNC sample verification, mass production, and 100% pneumatic/hydraulic leak testing. Recurring orders are shipped faster, utilizing our pre-planned stock-casting program.

Do your products meet the requirements for underfloor heating in Europe?

Yes. Our brass manifolds and temperature-controlled water dividers are CE certified. They are built to withstand working pressures up to PN10/PN16 and continuous high-temperature exposures, making them fully compliant with European HVAC requirements.

What testing procedures are implemented in your facility?

Following our "Fine work, no leakage" quality framework, we subject all brass valves to 100% pneumatic testing under water. Additionally, high-stress components undergo cyclic pressure fatigue testing and chemical composition validation to prevent Dezincification in hard-water zones.

Can you manufacture custom dimensions and special threads?

Yes. With our selection of over 80 special machine tools and high-precision CNC stations, we manufacture NPT threads for North America, BSPP/BSPT for Europe and Asia, and custom compression inlets for PE-PEX composite pipes.

Supplementary Plumbing Fittings & Valve Solutions

Comprehensive brass products including safety pressure relief valves, compression connections, and custom distribution units.

Three Way Ball Valve

Three Way Ball Valve Water Pressure Reducing Valves Brass Forged Piston Pressure Reduce Valve

Protects downstream plumbing fixtures by regulating incoming high-pressure water mains.

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High Quality Anti-Corrosion Valve

High Quality Anti-Corrosion External Thread Hose Tap Brass Safety Water Stop Valves

Features a heavy duty plated finish to withstand harsh outdoor environment factors.

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Brass Hose Union

Brass Water Hose Union Bib Tap

Standard union connection providing quick release and high reliability for commercial utility systems.

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Brass Ball Valve Fittings

Brass Ball Valve Pipe Fittings Water Kraan

Precision-made tap fittings for domestic water distribution and agricultural irrigation channels.

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Flow Control Cylinder Valve

Brass Ball Valve Pipe Fittings Cylinder Pressure Relief Flow Control

Dual-purpose fitting integrating safety relief vents with standard gas/water line isolators.

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Anti-Theft Brass Faucet

Anti-Theft Electroplated Brass Faucet Male with Lock Sanitary Ball Valve

Secure public sanitary systems with lockable key-activation and durable anti-corrosion plating.

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Brass Gate Valve Female Thread

Brass Gate Valves Brass Material Female Thread Water Gate Valve

Double-ended internal threads for traditional connection to iron/steel pipes in industrial liquid loops.

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T Strainer Valve

Plating Nickel Check Valve Brass T Strainer

Combines backflow prevention with particle screening for delicate flow control meters.

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Brass Y Strainer

Brass Y Type Strainer Valve

Features a cleanable mesh insert to protect boilers and heat pumps from sludge buildup.

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Vertical Check Valve

Brass Vertical Spring Check Foot Valve with Brass Filter

Optimized for pump suction lines, maintaining system prime and preventing backflow debris ingress.

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One-Way Check Valve

Manual Internal Thread Straight Through One-Way Check Valve

Allows single-direction flow paths for water treatment cycles and pressure booster systems.

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Pump Mixing Valve Unit

Water Underfloor Heating Manifold Brass Pump Mixing Valve Unit

All-in-one manifold circulation pump adaptor providing precise temp-regulation.

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Floor Heating Water Mixing System

Floor Heating Systems Water Mixing System Temperature Control for HVAC

Regulates radiant heating system feed water temperatures automatically, preserving subfloor tubes.

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House Heating Mixing System

Heating HVAC Water Mixing Control System for House with Underfloor Heating System Manifold

Whole-house zone control mixing station utilizing heavy duty components for constant warm flow.

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Bypass Valve Group

Manifold Differential Pressure Bypass Brass Air Vent Valve Group

Maintains minimum system flow rates through heating pumps when zone control valves close.

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Manual Air Vent Plug

Floor Heating Manifold Plug Manual Air Vent Plug

Easy to install brass terminal plug designed to bleed air out of manifold headers.

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Custom Air Vent Valve

Brass Air Vent Valve Custom Air Vent Valve Brass Automatic Air Release Valve Adjustable

Protects pipes from air locks and vacuum-induced collapses in heating systems.

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Automatic Air Vents

Automatic Air Vents For Boilers and Central Heating Systems

Provides continuous venting for optimal thermal performance in boilers.

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Automatic Air Vent Drain Valve

Automatic Air Vent Drain Valve for Floor Heating System Brass End Unit Accessories Tail Fitting Exhaust Discharge Water

Combined air-bleed and drain valve unit that facilitates system testing and draining.

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Brass Compression Fittings

Series PFB5 Brass Compression Fittings for PE Pipe

High-strength compression joint designed to lock onto PE water service lines.

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Brass Thread Fittings

Brass Thread Fittings

Comprehensive line of bushings, couplings, and nipples machined to close tolerances.

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Yongda Thread Fittings Catalogue

Industrial Brass Plumbing Connectors & Unions

Reliable heavy duty brass connections for water distribution pipelines.

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Piping Gate Valve Engineering & Material Roadmap

A technical guide on valve metallurgy, design choices, and structural verification.

Lead-Free Brass Initiatives

With drinking water safety regulations tightening worldwide, we have adopted advanced smelting procedures to decrease lead content in brass. Our manufacturing plant utilizes low-lead (≤0.25% Pb) and bismuth-doped lead-free brass formulations to meet strict environmental and public health standards.

These modifications enhance corrosion resistance, prevent zinc leaching, and protect domestic plumbing networks from lead contamination, qualifying our components for use in green building projects.

Thermal Forging vs. Sand Casting

Many low-cost producers resort to sand casting, which frequently results in micro-porosities, casting defects, and structurally weak walls. Our products are manufactured using thermal forging processes:

  • Elongated grain flow structures for enhanced mechanical strength.
  • Uniform wall thickness distribution to resist pressure spikes.
  • Smooth interior surfaces that reduce fluid friction and scaling.
Thermal Forging Plant Zhejiang

Certified Valve Series & Industrial Fittings

Explore our heavy duty brass forged valves, actuators, and HVAC components.

Best Brass Forged Manual Female By Male Thread Ball Valve

Best Brass Forged Manual Female By Male Thread Ball Valve Manufacturer, Factories

Heavy-duty female-to-male brass manual ball valves designed for reliable water pipe isolation.

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High-Quality BSP Thread Connection Forged Valves Brass Angle Boiler Valve

High-Quality BSP Thread Connection Forged Valves Brass Angle Boiler Valve Company, Service

BSP threaded brass angle valves for secure boiler connections and hot water circulation control.

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Best Radiator Valve Brass Angle Lockshield

Best Radiator Valve Brass Angle Radiator Valve Lockshield Valve Pricelist, Quotes

High-reliability lockshield radiator valves for balanced room temperature control in home heating systems.

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ODM Floating Ball Valve

ODM Floating Ball Valve Pricelist, Company

Precision floating ball valves built for reliable liquid level control in water tanks and reservoirs.

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Waterproof NC Thermal Actuator

Buy Waterproof NC Thermal Actuator Normally Closedopen for Manifold Radiator Manifold Underfloor Heating Systems Pricelist, Exporters

Reliable waterproof NC thermal actuators designed for automated hydronic underfloor heating manifolds.

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Cheap Manifold Exporter

Cheap Manifold Exporter, Products

Cost-effective hydronic floor heating distribution manifolds providing precise zone adjustment.

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OEM American Brass Pipe Thread Fittings

OEM American Brass Pipe Thread Fittings Manufacturer, Exporters

Precision-machined NPT brass thread fittings built to standard American plumbing specifications.

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Cheap Anti-Theft Brass Faucet Ball Valve

Cheap Anti-Theft Electroplated Brass Faucet Male with Lock Sanitary Ball Valve Manufacturer, Products

Electroplated brass faucet with integrated security locking mechanism for public water networks.

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