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SIGMA MACHINERY & ELECTRICAL CO., LTD. specializes in the design and global supply of diaphragm, plunger, and screw spraying equipment for construction, marine, steel, waterproofing, and floor coating projects in over 30 countries.
About Us
Professional Airless Sprayer Manufacturer Since 2007
SIGMA MACHINERY & ELECTRICAL CO., LTD.
SIGMA MACHINERY & ELECTRICAL CO., LTD.
Established in 2007,

SIGMA MACHINERY & ELECTRICAL CO., LTD.

is a manufacturing factory specializing in the research, development, and production of fluid technology. With 20+ years of manufacturing experience, our company produces three series of products: diaphragm airless sprayers, plunger airless sprayers, and screw air-assisted sprayers. Each series has been tested in the market for many years. They are widely used in surface coating applications for interior and exterior building walls, bridges, tunnels, ships, steel structures, architectural waterproofing, and floor coatings.

We continuously invest in new product development each year to meet the evolving demands of domestic and international markets. Currently, our products are supplied to professional distributors of spraying equipment, power tools, and garden tools in China, Europe, the Americas, Australia, Southeast Asia, the Middle East, and Africa through ODM partnerships. Since 2007, our company has obtained CE certification and multiple national patents from the National Intellectual Property Administration of China.

Adhering to the philosophy of "Concentration, Dedication, and Professionalism," we are committed to diligent work in this industry, striving to provide reliable spraying equipment to our global users and partners, and to create greater value for our customers.
  • 20+

    Industry Experience

  • 5,000+

    Factory Area(㎡)

  • 100,000+

    Annual Production Capacity

  • 10M+

    Annual Export Value($)

Why choose SIGMA
Four pillars of strength that set SIGMA apart in the spraying industry.
  • 20‑Year Manufacturing Expertise
    01
    Since 2007, SIGMA has been dedicated to the R&D of fluid technology and the manufacturing of spraying equipment. As one of China’s earliest sprayer manufacturers with nearly two decades of expertise, we deeply understand real-world coating challenges and help you choose the right equipment.
  • Full Product Range
    02
  • Globally Certified
    03
  • Flexible Cooperation
    04
Applications
Reliable spraying solutions
for diverse industries and projects.
  • Interior wall painting
  • Exterior wall & wood spraying
  • Steel structure coating
  • Ship surface coating
  • Building wall spraying
Wall Spraying
Latest News
Stay Informed with SIGMA
  • With the continuous advancement of global infrastructure and the recovery of marine engineering and shipbuilding, the demand for heavy-duty anti-corrosion coating on bridges, tunnels, steel structures, and ships has increased significantly. Such applications r...

  • As global VOC (Volatile Organic Compound) emission standards become increasingly strict, the coating industry faces huge pressure for green transformation. Traditional air spraying generates heavy overspray, wasting materials and polluting the environment. Hig...

  • With the quality endorsement of CE certification and multiple national patents, SIGMA MACHINERY & ELECTRICAL CO., LTD. has achieved new milestones in overseas expansion. Recently, the company signed new exclusive agency and ODM agreements with professional...

  • Recently, SIGMA MACHINERY & ELECTRICAL CO., LTD. announced the successful completion of an automated upgrade to its core assembly lines. This upgrade optimized the assembly processes for its diaphragm, plunger, and screw sprayers, significantly enhancing q...