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Premium Vacuum & Spray Drying Machines from China

High-efficiency, GMP-compliant drying solutions for pharmaceutical, food, chemical, and agrochemical industries. Trusted by clients in over 50 countries.

Vacuum Conical Dryer Spray Dryer Machine Fluid Bed Dryer

Who We Are

Changzhou Welldone Machinery Technology Co., Ltd is a professional manufacturer specializing in drying, granulating, and mixing equipment. Founded in 2010, we have successfully exported our machinery to over 50 countries worldwide.

Our product line includes vacuum drying machines, spray dryers, fluid bed dryers, vacuum paddle dryers, and more — all designed to meet GMP standards and tailored for pharmaceutical, food, chemical, and agrochemical applications.

Over 14 years of industrial drying experience
Free process testing and welding trials
Custom engineering for specific material needs

Quality Control Profile

We provide free testing to ensure the correct drying and granulating process for your material. Our team conducts welding tests to determine optimal parameters based on pressure and material requirements.

Every machine undergoes rigorous inspection before shipment to guarantee reliability, safety, and compliance with international standards.

Our Premium Products

Explore our wide range of industrial drying and granulating machines engineered for performance, durability, and energy efficiency.

Vacuum Conical Dryer

High Efficient Vacuum Conical Dryer

GMP Standard | Fast Drying Speed | Ideal for Heat-Sensitive Products

  • Material: SUS304 / SUS316L
  • Voltage: 110V–480V
  • Hertz: 50Hz / 60Hz
Get Best Price
Spray Dryer

Food Standard Spray Dryer Machine

High Solubility | Steam Heating | For Food & Pharmaceutical Use

  • Material: SUS304 / SUS316L
  • High Speed Drying
  • Energy Saving Design
Get Best Price
Vacuum Tray Dryer

Energy Saving Vacuum Tray Dryer

For Pharmacy, Food & Chemical Industry | Low Investment

  • Fast Drying Speed
  • Thermal Oil or Electric Heating
  • Touch Screen Control (Optional)
Get Best Price
Vacuum Paddle Dryer

Disc Type Vacuum Paddle Dryer

Large Drying Area | For Powder & Granule Products

  • High Vacuum Degree
  • Material: CS / SUS316L / Titanium
  • Drying Temp: 50–150°C
Get Best Price
Fluid Bed Dryer

FL Fluid Bed Dryer Granulator

For Food & Chemical Industry | Explosion Resistance Option

  • Capacity: 1.5–1000kg/batch
  • Heating: Steam / Electric / Gas
  • Material: SUS304 / SUS316L
Get Best Price
Double Cone Dryer

Double Conical Vacuum Dryer

Energy Saving | Stable Operation | For Heat-Sensitive Materials

  • Compact Design
  • Low Maintenance
  • Customizable Capacity
Get Best Price
Roller Drum Dryer

Energy Saving Roller Drum Dryer

Stainless Steel Construction | For Food & Industrial Use

  • Voltage: 110V–480V
  • Material: CS / SUS304 / Titanium
  • High Automation
Get Best Price
Tray Drying Oven

Hot Air Tray Drying Oven

Compact Structure | Energy Saving | For Pharmaceutical Use

  • Full Welded Inner Chamber
  • HEPA Filtration Option
  • Explosion-Resistant Models
Get Best Price
View All 700+ Products

Why Choose Our Machines?

GMP Compliant

All machines meet international GMP and safety standards for pharmaceutical and food applications.

Fast Drying Speed

Optimized thermal design ensures rapid and uniform drying, reducing production cycle times.

Global Support

Serving clients in over 50 countries with responsive technical and after-sales service.

Energy Efficient

Advanced insulation and heat recovery systems reduce energy consumption by up to 30%.

70+
Vacuum Drying Models
250+
Spray Dryer Units
50+
Countries Served
14 yrs
Industry Experience

What Our Clients Say

"The dryer and granulator works good, WELLDONE!!"

— Byung Yun Ha

"All of the spray dryer, tray dryer, conical vacuum dryer and double screw mixer are qualified, I am happy with them, will seek some other equipments from you soon."

— Manoel

"Both quality and service are great, you are a reliable friend. :)"

— George Clemente

Get in Touch

For pricing, customization, or technical inquiries, please visit our official website to contact the team directly.

Visit Official Website to Contact

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