NBK Standard Quality Products

NBK Leaf Spring is Yongkee’s standard quality for replacement leaf spring that are manufactured by modern production process with certification from well-known manufacturers including the Thai Industrial Standards Institute (TISI) in order to achieve higher quality than other replacement leaf springs in the market.

NBK Leaf Springs covers a variety of Japanese Large and Light commercial vehicles such as;


Large Commercial Trucks (10 & 6 wheel trucks)





Light Commercial Trucks (1-ton pick-up trucks)





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    NPN Leaf Spring is Yongkee’s flagship brand that is manufactured under OEM manufacturing standards including quality assurance by well-known car manufacturers in Thailand. NPN Leaf...
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