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Precision Ultra High Purity Gas Delivery Systems

Leading manufacturer of high-performance valves, regulators, and tube fittings for semiconductor, pharmaceutical, hydrogen energy, and industrial gas applications — engineered for zero leakage, extreme pressures, and maximum reliability.

Ultra High Purity Gas System

Engineered for Extreme Performance

Shenzhen Jewellok Technology Co., Ltd is a global leader in the design and manufacturing of ultra high purity (UHP) valves, regulators, and gas delivery systems. With advanced R&D, precision CNC machining, and strict quality control, we deliver components trusted in critical environments across semiconductor, biotechnology, hydrogen energy, and petrochemical industries.

Our UHP valves are built for zero particle generation, exceptional leak integrity, and high cycle life — capable of operating under extreme temperatures, pressures up to 70 MPa, and corrosive media.

150,000 psi
Max Operating Pressure
98%
Customer Retention Rate
24h
Average Response Time
Valve Manufacturing Tube Fittings Valve Components Needle Valves

Our Product Range

Precision-engineered components for ultra high purity and high-pressure fluid control systems — trusted in mission-critical applications worldwide.

Ultra High Purity Diaphragm Valves

Ultra High Purity Diaphragm Valves

Designed for zero particle generation and excellent leak integrity. Suitable for semiconductor, pharmaceutical, and biotech applications.

  • • Materials: 316L SS, EP/BA finish
  • • Pressure: Up to 70 MPa
  • • Actuation: Manual, pneumatic, electric
Compression Tube Fittings

Compression Tube Fittings

High-integrity connections for gas and liquid systems. Leak-tight performance under extreme conditions.

  • • Sizes: 1/8" to 1" NPT, BSPP, JIC
  • • Materials: 316L, Brass, Monel
  • • Pressure: Up to 150,000 psi
Needle Valves

Needle Valves (VNV Series)

Precision flow control for high-pressure and high-purity systems.

  • • Body: 316L SS, EP finish
  • • Max Pressure: 10,000 psi
  • • Temperature: -20°C to 200°C
Gas Changeover Manifold

Gas Changeover Manifold

Automated switching between gas cylinders for uninterrupted supply.

  • • Configurations: Single/Double Stage
  • • Gas Types: Inert, Corrosive, Flammable
  • • Certifications: CE, ISO 9001
Gas Cabinet

Gas Cabinets (GC/GR/RMB Series)

Fully automatic and semi-automatic gas cabinets for safe storage and distribution.

  • • Types: BSGS, VMB, TMA, Scrubber
  • • Safety: Leak detection, ventilation
  • • Applications: Semiconductor, Photovoltaic
Pressure Control Panels

Pressure Control Panels (JSP-3AE)

Custom-engineered panels for precise pressure regulation and monitoring.

  • • Integration: PLC, HMI, Sensors
  • • Media: Gas, Liquid, CO₂, H₂
  • • Standards: SEMI, ASME B31.3
Custom CNC Valves

Custom CNC Valves

Tailored valve solutions machined to exact specifications with rapid turnaround.

  • • Materials: 316L, Hastelloy, Monel
  • • Tolerances: ±0.01mm
  • • No MOQ – Prototype to Mass Production
Welding Pressure Regulators

Welding Pressure Regulators

High-reliability regulators for welding and cutting gas systems.

  • • Inlet: Up to 3000 psi
  • • Outlet: Adjustable 0–300 psi
  • • Diaphragm: Stainless Steel, EP
View Full Product Catalog

Comprehensive Engineering Services

From design to delivery, we provide end-to-end support for your fluid control systems.

CAD & 3D Prototyping

Precision modeling and rapid prototyping for custom valve and system designs.

Valves Cleaning

UHP cleaning processes including ultrasonic, passivation, and particle counting.

Pressure & Leak Testing

Helium leak testing, hydrostatic, and pneumatic pressure validation.

Gas Pipeline Engineering

Design and installation of high-purity gas distribution systems.

Trusted in Critical Industries

Our components are engineered for reliability in the most demanding environments.

Semiconductor

UHP gas delivery, wafer processing, cleanroom compatibility.

Pharmaceutical

Sterile fluid control, cGMP compliance, bioreactor systems.

Hydrogen Energy

High-pressure H₂ systems, fueling stations, zero leakage.

Petrochemical

Corrosive media, high temp/pressure, safety-critical.

Get in Touch

Have questions about our ultra high purity valves, regulators, or gas systems? Contact us today for expert support.

+86 13380377051
Shenzhen & Shanghai, China

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