About Jeltecn Spraying

Who Are We

Dongguan Melinco Precision Technology Co., Ltd. is located in Dongguan City, Guangdong Province, which is known as the “World Factory”. We are the leading nozzle manufacturer in China and have 15 years of experience in producing nozzle parts. We provide standard and custom-designed spray solutions and spray nozzles for various industries and applications.

Products line



Fire Protection, Coating, Dust, Drying / Blow-off, Lubrication, Agricultural irrigation, Cleaning, Industrial Fuel, Food Safety, Gas Cooling & Conditioning, and Spray Drying.


Chemical Industry, Mine Development Industry, Paper Industry, Agriculture, Food Production Industry, Pharmaceutical Industry, Automotive Industry, Cleaning Industry, Steel Industry, Shipbuilding Industry, Desulfurization Industry, etc.


Brass, Stainless Steel, Carbon Steel. PVC, CPVC, Polypropylene, PVDF, etc.


  • 15+ Years Of Experience In the Spray Nozzle Industry.
  • 5 R&D Engineers With More Than 10 Years of Nozzle Experience.
  • 10 Professional Quality Control Engineers.
  • ISO9001: 2015 Certification
  • SGS Certification

Our Service & Market



Provide expertise in nozzle-related aspects. Provide professional advice to customers, reduce risks in procurement, and improve work efficiency. Provide high-quality, comprehensive product series and added value. The high-standard production quality system conforms to the rules of multiple international standards to meet the needs of different industries.


Our market shares are now more than 10 million nozzles in various industries around the world. We will provide more help to nozzle-related industries. Our production quality system conforms to the rules and recommendations of many internationally renowned standards to meet different products and Market demands.


  • CNC Machining Center – 20 sets
  • CNC Lathe – 30 sets
  • Centering Machine -10 sets
  • Core Walking Machine – 15 set
  • Laser Particle Sizer – 1 set
  • Water Testing Table – 5 sets
  • Other auxiliary equipment of more than 20 sets

View our product patents

Online catalogs

Check our trademark certification