1. Overlung and underslung type 2. The leaf spring could be 75mm and 90mm 3. The axle beam could round and square, the size is 5'' and 6'' 4. Axle spacing: 1300m, 1310mm, 1360mm ,1540mm 5. Axle beam size: 5'' and 6'' / 127mm and 150mm 6. One-axle, tandem, tri-axle are optional Plastic Chair Injection Molding Machine Big Injection Moulding Machine,Precision Big Injection Moulding Machine, Plastic Bucket Molding Plastic,Chair Injection Molding Machine Ningbo Outai Plastic Machinery Technology Co.,Ltd , https://www.outacmachine.com
spring seat low 50mm 900017 900028
spring seat medium 75mm  900025  900073
spring seat high 100mm  900015 900074
York/YTE type mechanical Suspension ( Both overslung type and underslung type)
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Model NO.: 900017
Origin: China
HS Code: 8708809
spring seat ultra low 20mm 900027 900008