DEZE Tacknology CO,. Ltd., China zhengzhou, zhengzhou (2026)

14/11/2025

LangHe Custom Valve Casting Services
LangHe specializes in high-quality, precision-engineered custom valve castings for industrial applications. Leveraging advanced casting technologies and strict quality control, we deliver durable valves tailored to your exact specifications, including complex geometries, corrosion-resistant alloys, and tight tolerance requirements.
From design consultation to final inspection, LangHe ensures reliable performance, optimal flow characteristics, and long service life for your valves, supporting industries such as oil & gas, chemical processing, water treatment, and power generation.

Whatsapp: wa.me/+8615333853330
https://langhefoundry.com/investment-casting-services/
Web: https://casting-china.org/

17/10/2025

At LangHe, we specialize in the custom design and manufacturing of high-performance valve components.

Using advanced investment casting, precision machining, and surface finishing technologies, LangHe delivers valve bodies, seats, stems, and discs with exceptional dimensional accuracy and long-term reliability.

We work with a wide range of premium metals and alloys, including:

Stainless Steels: 304, 316L, 17-4PH — for corrosion resistance and hygiene-critical systems
Carbon & Alloy Steels: ASTM A216 WCB, A105 — for high-pressure, structural integrity
Nickel-Based Alloys: Inconel, Hastelloy — for extreme chemical and thermal environments
Copper & Bronze Alloys: C83600, C95800 — for marine and desalination applications
Titanium & Duplex Steels: for lightweight, high-strength, and anti-corrosion performance

Whether you need small-batch prototypes or large-scale production, LangHe provides end-to-end customization, from material selection and 3D modeling to casting, machining, and surface finishing — all backed by strict quality assurance and NDT inspection.

Whatsapp: wa.me/+8615333853330
https://langhe-industry.com/gate-valve/
Web: https://casting-china.org/

05/09/2025

High-Precision Investment Cast Valve Components

At LangHe, we specialize in investment casting of valve components, delivering high-precision, durable parts that meet the most demanding industrial standards. Our expertise allows us to produce complex geometries with tight tolerances, smooth surfaces, and excellent mechanical properties—perfect for applications in oil & gas, chemical processing, power generation, and industrial equipment.

Using premium alloys such as stainless steel, carbon steel, and high-temperature metals, our investment cast valves ensure reliable performance, corrosion resistance, and long service life. From prototype development to full-scale production, LangHe provides cost-effective, repeatable solutions tailored to your exact specifications.

Whatsapp: wa.me/+8615333853330
Web: https://casting-china.org/valve-components/
Web: https://langhe-industry.com/

27/06/2025

WE are a leading provider of advanced die casting services, offering high-quality, precision-engineered components for industries that demand strength, dimensional accuracy, and high-volume efficiency.

With state-of-the-art equipment and decades of manufacturing expertise, LangHe delivers custom die-cast parts using a range of alloys and processes tailored to your specific application needs.

Our Die Casting Capabilities Include:
● Hot Chamber Die Casting
Ideal for zinc and magnesium alloys, providing fast cycle times, excellent surface finish, and tight dimensional control for small to medium-sized components.
● Cold Chamber Die Casting
Best suited for aluminum and copper-based alloys, offering superior strength and corrosion resistance for structural and automotive parts.

Available Die Casting Alloys:
● Aluminum Alloys (ADC12, A380, etc.) – Lightweight, corrosion-resistant, and widely used in automotive, electronics, and aerospace.
● Zinc Alloys (Zamak series) – Excellent fluidity, ductility, and finishing properties, perfect for decorative and intricate parts.
● Magnesium Alloys – The lightest structural metal, ideal for applications requiring low weight and high performance.
● Copper-Based Alloys – For components requiring superior conductivity and mechanical strength.

Whether you need durable structural housings, intricate electronic enclosures, or high-volume mechanical parts, LangHe is your trusted partner for precision die casting solutions.

Contact us today to explore how LangHe can support your next project with proven quality, process efficiency, and engineering expertise.

Whatsapp: wa.me/+8615333853330
Web: https://casting-china.org/
Web: https://langhe-industry.com/

30/05/2025

Our company specializes in manufacturing a wide range of high-performance spray nozzles to meet diverse industrial needs. We offer air atomizing nozzles, flat spray nozzles, flat fan spray nozzles, full cone nozzles, solid stream nozzles, and hollow cone nozzles, along with an extended range that includes mist nozzles, fine fog nozzles, spiral nozzles, tangential nozzles, tank cleaning nozzles, and descaling nozzles.

Our products are available in a variety of materials, including stainless steel, brass, copper, ceramic, and plastic (PP, PVDF, PTFE), to suit different working environments and chemical resistances.

All products support OEM and customization services. With our in-house foundries and precision machining factories, we are fully equipped to meet the specific technical and volume requirements of customers across industries such as steelmaking, agriculture, food processing, electronics, environmental engineering, and more.

Contact us today to find the perfect spray solution for your application!

Whatsapp: wa.me/+8615333853330
Web: https://casting-china.org/
Web: https://langhe-industry.com/

13/05/2025

Stainless Steel Butterfly Valve Disc by Investment Casting——DEZE Foundry
The Stainless Steel Butterfly Valve Disc manufactured via investment casting offers superior dimensional accuracy, smooth surface finish, and enhanced mechanical integrity, making it ideal for high-performance flow control systems.

🔩 Key Features:
Material: Austenitic or duplex stainless steel (e.g., SS304, SS316, CF8M) for excellent corrosion resistance.

Manufacturing Process: Precision investment casting ensures near-net-shape production with minimal machining.

Design Compatibility: Engineered to fit a wide range of butterfly valve body designs, including wafer, lug, and flanged types.

Surface Finish: As-cast or polished finish available, ensuring optimal flow efficiency and reduced turbulence.

Pressure Ratings: Supports applications in low to medium pressure ranges (typically PN10–PN40 / ANSI 150).

Size Range: Customizable from DN50 to DN1000 and beyond.

⚙️ Applications:
Water and wastewater treatment

Food and beverage processing

Chemical and petrochemical pipelines

Marine and offshore systems

HVAC and industrial utility networks

✅ Advantages of Investment Casting:
High dimensional tolerance (±0.1 mm)

Excellent repeatability for large production batches

Complex geometry capability (integrated ribs, flow contours)

Superior material utilization and low waste

Whatsapp: wa.me/+8615333853330
Web: https://casting-china.org/
Web: https://langhe-industry.com/

30/04/2025

✨【New Product Update】
Our newly developed product has made significant progress! A beautifully crafted impeller mold has been completed, and we're now moving on to trial production of the sample—stay tuned for more exciting developments! Meanwhile, other product orders are proceeding smoothly and efficiently as scheduled.
If you have any metal casting or CNC machining needs, feel free to contact us anytime—we’re here to provide you with professional and efficient solutions!

Whatsapp: wa.me/+8615333853330
Web: https://casting-china.org/
Web: https://langhe-industry.com/

25/04/2025

LangHe delivers precision metal casting solutions across a broad spectrum of stainless steel alloys, tailored to meet the demands of diverse industries. Our capabilities include, but are not limited to, the following high-performance grades:

1.4408 / GX5CrNiMo19-11-2 – Cast equivalent of 316 for corrosion resistance in general applications

1.4404 / X2CrNiMo17-12-2 – Low-carbon 316L with improved weldability

1.4581 / GX5CrNiMoNb19-11-2 – Niobium-stabilized cast stainless steel for enhanced strength

1.4435 / X2CrNiMo18-14-3 – Modified 316L with higher molybdenum for superior corrosion performance

1.4539 / X1NiCrMoCu25-20-5 (904L) – Super austenitic grade for aggressive environments

1.4469 / X2CrNiMoN22-5-3 (Duplex) – Duplex stainless steel offering high strength and chloride resistance

1.4571 / X6CrNiMoTi17-12-2 (316Ti) – Titanium-stabilized grade for elevated temperature applications

1.4541 / X6CrNiTi18-10 – Titanium-stabilized 321 equivalent for intergranular corrosion resistance

1.4573 / GX3CrNiMoCuN24-6-5 – High-alloy cast stainless with copper and nitrogen for chemical resistance

1.4841 / X15CrNiSi25-21 (310S) – Heat-resistant alloy suitable for high-temperature service

Whatsapp: wa.me/+8615333853330
Web: https://casting-china.org/
Web: https://langhe-industry.com/

18/04/2025

Professional Aluminum Die-Casting by LangHe!

LangHe specializes in aluminum die-casting services, delivering high-strength, high-precision, and thermally efficient lampshade products tailored for the stage lighting industry. With advanced die-casting equipment and meticulous production processes, we ensure complex structures are formed in one piece, guaranteeing excellent mechanical properties and surface finishes.

From mold design to final precision machining, LangHe provides one-stop custom manufacturing solutions, meeting your comprehensive needs for aesthetic design, functional reliability, and long-term durability. Whether it's for theaters, performance stages, or large-scale lighting installations, LangHe die-cast lampshades are the trusted choice of professionals.

Whatsapp: wa.me/+8615333853330
Web: https://casting-china.org/
Web: https://langhe-industry.com/die-casting-services/

11/04/2025

1.4581 stainless steel (EN designation: GX2CrNiN23-4) is a cutting-edge, high-performance cast and forged austenitic stainless steel.

Advantages of 1.4581 Stainless Steel
Enhanced Corrosion Resistance, Robust Mechanical Performance, High-Temperature Stability, Superior Weldability, Versatile Processing, Lifecycle Cost Efficiency

DEZE is the perfect choice for your manufacturing needs if you need high-quality stainless steel products.
Contact us today!

Whatsapp: wa.me/+8615333853330
Web: https://casting-china.org/
Web: https://langhe-industry.com/

Steel

01/04/2025

DEZE offers high-quality die-casting services for precision metal components. We provide cost-effective solutions for prototypes, small runs, and large-scale production, ensuring fast turnaround times and exceptional accuracy.

Whatsapp: wa.me/+8615333853330
Web: https://casting-china.org/
Web: https://langhe-industry.com/

DEZE Tacknology CO,. Ltd.

14/11/2025

17/10/2025

05/09/2025

27/06/2025

30/05/2025

13/05/2025

30/04/2025

25/04/2025

18/04/2025

11/04/2025

01/04/2025

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