Advanced Vacuum Furnace Solutions

Shandong Paijin Intelligent Equipment Co., Ltd. – A leading manufacturer of vacuum quenching, tempering, brazing, sintering, and carburizing furnaces with over 20 years of innovation and precision engineering.

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Industrial Heat Treatment

Quenching, tempering, annealing, and aging in vacuum or controlled atmosphere.

Vacuum Brazing

Precision brazing of aluminum, stainless steel, copper, and diamond tools.

Sintering & Carburizing

Debinding, sintering of powder metals, ceramics, and vacuum carburizing with acetylene (AvaC).

About Shandong Paijin

Shandong Paijin Intelligent Equipment Co., Ltd. is a professional manufacturer specialized in the research, development, and production of various vacuum furnaces and atmosphere furnaces.

With over 20 years of experience in furnace manufacturing, we are committed to excellence in quality, energy efficiency, and technological innovation. Our advanced designs have earned multiple patents and widespread recognition from global customers.

We take pride in being one of the leading vacuum furnace manufacturers in China, delivering reliable, high-performance thermal processing equipment to industries such as aerospace, automotive, military, and precision tooling.

20+ Years of Industry Experience
Multiple Patents in Furnace Technology
ISO & CE Compliant Manufacturing
Global Export to 30+ Countries

Our Featured Products

High-performance vacuum furnaces designed for precision, consistency, and durability across a wide range of industrial applications.

PJ-Q Vacuum Gas Quenching Furnace

Horizontal structure with graphite heating chamber, 2-stage vacuum pumps. Ideal for H13 dies and common steel gas quenching.

Structure: Horizontal, single chamber
Heating: Graphite chamber
Application: Steel gas quenching

PJ-H Vacuum Tempering Furnace

Suitable for tempering die steel, high-speed steel, stainless steel, and solid solution post-aging treatment.

Application: Tempering & aging
Materials: Die steel, stainless steel
Design: High temperature uniformity

PJ-T Vacuum Annealing Furnace

For bright annealing and aging-hardening of high alloy tool steel, bearing steel, and non-ferrous metals.

Heating: Convective system
Cooling: 2 Bar quick cooling
Chamber: Graphite or metal

PJ-SJ Vacuum Sintering Furnace

General-purpose furnace for sintering metal powder and ceramic products. Widely used in powder metallurgy.

Application: Metal & ceramic sintering
Materials: Powder metal, SiC, SiN
Process: Vacuum debinding & sintering

PJ-VSB High Temp Vacuum Brazing Furnace

Used for vacuum brazing of copper, stainless steel, high-temperature alloys, and other advanced materials.

Temp Control: Precise & uniform
Materials: Cu, SS, high-temp alloys
Design: High vacuum system

PJ-LQ Vertical Vacuum Gas Quenching Furnace

Vertical loading design prevents deformation of long-thin workpieces like shafts, pipes, and plates.

Structure: Vertical, single chamber
Loading: Top/bottom vertical
Pumps: 2 or 3 stage vacuum

PJ-VAB Aluminum Brazing Vacuum Furnace

Special design for aluminum alloy brazing with enhanced vacuum pumps and temperature uniformity.

Application: Aluminum vacuum brazing
Features: Enhanced vacuum, precision control
Protection: Special chamber design

PJ-OQ Double Chamber Vacuum Oil Quenching Furnace

Dual chamber system with separate heating and quenching zones for high repeatability and optimal results.

Chambers: Heating + oil quenching
Cooling: Oil temp control & stir
Filtration: Outer circle system

PJ-GOQ Multi-Chamber Gas & Oil Quenching Furnace

Separate chambers for gas quenching, heating, and oil quenching. Ideal for diverse materials and processes.

Flexibility: Gas & oil quenching
Chambers: Multi-separate
Application: Multi-process compatibility

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Industrial Applications

Our vacuum furnaces serve critical roles in high-precision manufacturing across multiple advanced industries.

Aerospace

Heat treatment of turbine blades, landing gear, and structural components requiring extreme durability.

Automotive

Processing of engine parts, transmission components, and high-strength fasteners.

Tooling & Dies

Hardening and tempering of cutting tools, molds, and dies for extended service life.

Military

Precision treatment of defense components requiring maximum reliability and performance.

Why Choose PJ Furnace?

Smart Control Systems

Advanced PLC and touchscreen interfaces ensure precise temperature control, process repeatability, and data logging.

Energy Efficient Design

Optimized insulation and heating elements reduce power consumption without compromising performance.

High Reliability & Safety

Robust construction, redundant safety systems, and CE-compliant design ensure long-term operational safety.

Global Support

Installation, training, and technical support available worldwide with multilingual documentation.

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