1.結構緊湊，外形美觀。2.復合Y型圈密封，可靠耐用。3.含油軸承導向，耐磨平穩。?4.緩沖針閥與氣口同側，安裝更方便。5.無拉桿設計，缸蓋緊固缸體，增強剛性。6.SIH為經濟型四拉桿式，缸筒為圓缸筒1. Compact structure, beautiful appearance. 2. Composite Y-ring seal, reliable and durable. 3. Oil-bearing bearing, wear smooth.?4. Coushion needle and the air port at the same side, the installation more convenient. 5. No tie rod design,cylinder head tightening the cylinder, enhance the rigidity. 6.SIH:tie rod, round tube.?
