Home_1-Zhejiang FLOWTECH. Machinery Co., LTD.

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Valve manufacturer

Ouality Originizes From Detalls

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Precision castings for grate bars used in Type 0058 waste-to-energy incinerators

Precision castings for grate bars used in Type 0058 waste-to-energy incinerators

Cast steel components for power machinery and generating equipment are precision‑cast from high‑quality alloy steels, carbon steels, and other specialized materials. They are manufactured in strict compliance with industry standards for power‑equipment fabrication and undergo refined melting and optimized heat‑treatment processes, resulting in a dense, uniform microstructure free of casting defects such as porosity, cracks, and shrinkage cavities.

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Precision casting of furnace bottom plate for waste-to-energy power generation, model 4517

Precision casting of furnace bottom plate for waste-to-energy power generation, model 4517

Cast steel components for power machinery and generating equipment are precision‑cast from high‑quality alloy steels, carbon steels, and other specialized materials. They are manufactured in strict compliance with industry standards for power‑equipment fabrication and undergo refined melting and optimized heat‑treatment processes, resulting in a dense, uniform microstructure free of porosity, cracks, shrinkage cavities, and other casting defects.

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Precision-cast component for Class A cable protectors

Precision-cast component for Class A cable protectors

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Precision-cast component for Class B cable protectors

Precision-cast component for Class B cable protectors

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Cast steel parts for motor vehicles

Automotive‑specific cast steel components are manufactured using high‑quality carbon steels and alloy cast steels, with melting and casting processes conducted in strict accordance with automotive‑parts machining standards. Subsequent normalizing and quenching‑tempering heat treatments refine the microstructure, resulting in dense castings free of porosity, sand holes, and cracks. Our product range includes critical parts such as chassis brackets, steering components, brake valve bodies, and transmission housings, all featuring precise dimensions and moderate machining allowances. These components exhibit high strength, excellent impact resistance, and superior fatigue performance, capable of withstanding vehicle‑induced vibrations and cyclic loading. Certified through nondestructive testing and mechanical sampling inspections, they are ideally suited for truck, bus, and construction‑equipment chassis assemblies, serving as core castings for complete vehicle chassis and braking‑transmission systems.

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Construction Machinery and Components

Cast steel components for construction machinery are manufactured from high‑quality carbon and alloy steels, undergo heat treatment to refine the grain structure, and feature a dense microstructure with strict control over casting defects such as porosity and cracks. Our product range includes counterweights, mounting brackets, hinge supports, hydraulic valve bodies, and other accessories, offering high strength, excellent impact resistance, and superior wear and deformation resistance—making them well suited to the demanding conditions of construction sites, including heavy loads, rough terrain, and abrasive sand and gravel exposure. The components boast precise dimensions and outstanding machinability, and have been rigorously inspected through nondestructive testing and mechanical performance evaluations. They are compatible with excavators, tower cranes, wheel loaders, and other types of construction equipment, and are widely used in the assembly of infrastructure‑related machinery.

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Articulated arm

The curved arm is integrally cast from high‑quality alloy steel and undergoes quenching and tempering heat treatment, resulting in a dense internal microstructure free of shrinkage cavities, cracks, or other defects. Its overall curved‑surface dimensions are highly precise, offering superior strength, excellent fatigue resistance, and outstanding impact toughness, enabling it to withstand repeated bending and heavy cyclic loads. It is widely used in construction machinery, lifting equipment, and automated transmission systems as a critical load‑bearing component for hinged oscillation, with excellent assembly compatibility and minimal risk of deformation or fracture under long‑term operating conditions.

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Class A bearing housing precision casting

Class A bearing housing precision casting

The bearing housing is precision‑cast from high‑quality cast steel or cast iron, featuring a robust monolithic structure with uniform wall thickness. The casting exhibits a dense microstructure, free of porosity, sand holes, cracks, and other defects. With high machining accuracy and excellent coaxiality, it securely locates the bearing, effectively supporting both radial and axial loads during equipment operation, thereby reducing bearing vibration and wear and enhancing operational stability. It offers superior strength, outstanding wear and compressive resistance, efficient heat dissipation, and excellent dimensional stability, making it suitable for a wide range of drive applications—including electric motors, fans, pumps, and construction machinery—while providing long‑term, reliable support for high‑speed shaft rotation and ensuring the precision and service life of mechanical equipment.

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One-stop service for all types of valve bodies

Zhejiang FLOWTECH. Machinery Co., LTD. (hereinafter referredto FLOWTECH), upgraded from Wenzhou VETZ Valve Co., LTDof which the predecessor was Wencheng Agriculture Toolsfactory founded in late 1980's, covers a total area of 30.000 m² with the first-class hardware and software production capability.The complete production and testing equipments won the praisefrom domestic and overseas experts.

View details

20 +

Industry experience

30000 m²

The factory building covers an area of over 30,000 square meters.

50 +

Sales coverage includes 50+ countries

200 +

More than 200 employees

150000 +

Annual production capacity of over 150,000 tons

优良的设备为保证产品质量