
How do pneumatic tube fittings make quick connections?
Pneumatic tube fittings are devices used for quickly connecting and disconnecting pipelines, commonly used in gas transmission and control systems. Their main function is to
A factory specialized in manufacturing pneumatic parts.
What sets us apart from the competition is that we’re passionate about the products/services we provide and quality of support.
3 QC steps before leave factory.
1.100% Raw materials
incoming test
2. Semi-finished product test
3. Finished product test
As a high – tech R & D, production, and sales – integrated enterprise, we offer customized, reliable products.
Our annual production is 50 million pcs.
Sample available in 1-3 days.
And normal order delivery time is only 7-10 days.
LYHY was officially established in 1998 and obtained lSO-9001 certification in 2002.Over the years, LYHY has fully implemented 5S management concept, established a professional, standardized and scientific production line, and continuously improved its brand influence.Nowadays,LYHY is a national technology-based small and medium-sized company, a national high-tech company, manufacturing products including quick connecting pneumatic pipe fittings, throttle valves, check valves,brass quick push in & push on pneumatic pipe fittings, stainless steel connectors, mufflers, PU&PA tubes etc. with various types, convenient installation, simple and dexterous, widely used in the fields of mechanical equipment such as printing, welding, railway, medical industry,as well as in the field of automation industries such as electronics and automobiles.We have sales locations in Ningbo, Changzhou and Xi’an,customers spread to overseas.
Rigorous, responsible and innovative are the values of LYHY. Pursuing perfection and striving for success is the declaration of LYHY.Professional production and sincere service,LYHY provides comprehensive quality services for every customer. Continuously innovating and standing at the forefront,LYHY is with responsibility and commitment as the oar to set sail for dreams.
17-year Manufacture Expenence







Pneumatic tube fittings are devices used for quickly connecting and disconnecting pipelines, commonly used in gas transmission and control systems. Their main function is to

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In the year of 2023, the leadership of the association visited and researched more than 70 enterprises through 7 visits, including visiting 5 industrial clusters,
Ningbo LYHY Pneumatic Technology Co.,Ltd.
LYHY is a national technology-based small and medium-sized company, a national high-tech company, manufacturing products