Solutions for 

Off-Road Machinery

Off-road machinery battles harsh dust, vibration, and heavy loads, often leading to premature seal failures and operational halts—GYA's rugged seals ensure resilience and extended uptime in construction and agricultural settings.

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An overhaul kit displayed in a construction site setting, with parts arranged around an off-road
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Overhaul Kit Series

Comprehensive kits for JCB and Cummins machinery, built to withstand extreme conditions with all-in-one components for fast field repairs.

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Air Compressor Kit

Specialized kits with reinforced gaskets for hydraulic and pneumatic systems, providing reliable compression in dusty, high-vibration environments.

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About us

GYA delivers premium cylinder head gaskets, overhaul kits, and sealing solutions for passenger cars, commercial vehicles, and off-road machinery. Engineered for durability, compatibility, and reduced downtime.

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Get in Touch

Email: nbgya@nbguangya.com

Phone:  +86 181 0668 3932

Address:  No.5, Guangyuan Road, Xiepu, Zhenhai, Ningbo, China

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