About us

Tri-Unity Machinery Co is a Singaporean company with dedicated manufacturing facilities in China. As a worldwide manufacturer of various air compressors,our humble beginnings started in 1978 in Singapore,distributing air compressors and a wide assortment of industrial machinery. Through understanding the industry demands and customers needs,we thus created MonsterAir to serve and provide our expertise in bring ideal solutions to them.

Our HQ is located in Singapore,while our factories are located in Kunshan and Dafeng city,Jiangsu Province,China. Due to overwhelming demand from our global clients,we started Monster Trading Co in Kunshan to facilitate sourcing and purchasing operations for them. The kunshan factory is tasked with manufacturing air compressor pressure vessels,and are accredited with ASME (Amreican Society of Mechanical Engineers) certification. Our Dafeng factory main operations are to manufacture and assemble bare pumps and whole compressor packages. All our air compressor products exported worldwide can conform to ASME standards code,fabrication,and certification.

Today,we continuously focus and channel our knowledge to strive for innovation while at the same time, achieving our promise made to our global clients. We shall always aim to exceed our customers expectations relentlessly.This is our commitment to our clients as always. Over the years,we are very proud to be able to serve our clients all over the globe and building a close bond with them to this day.

About Us Our Services Our Promise


view more >
  • Come Visit Us At METALTECH EXPO, Kuala Lumpur, Malaysia

    Come Visit Us At METALTECH EXPO, Kuala Lumpur, Mala


    The annual MetalTech Expo is back and bigger. MonsterAir will be there and We hope to see and connect with you...

    View more >
  • Chunlan Invests Vast Fund for Compressor Producing Line Expa

    Chunlan Invests Vast Fund for Compressor Producing


    Chunlan invests 0.18 billion to bring in a modern air condition compressor producing line in September, 2005. Its total p...

    View more >
  • Kaishan Compressor:From “Made in China” to “Created in China

    Kaishan Compressor:From “Made in China” to “C


    Investment positives Zhejiang Kaishan Compressor is a leading domestic screw aircompressor manufacturer. We believe it wi...

    View more >

Contact us