[0 MHZ2-40D1]

Features:
One time molding, a hard protective layer is manufactured on the surface, which is antioxidant, wear-resistant, durable, and has improved service life. Product
Anti-aging ability, hard oxidation treatment, not easy to aging
The material is thicker, the stability of the cylinder, and the impact resistance is strong.
Sealed sealing ring + thick cylinder body, no stuffing, air leakage, wear-resisting, dust-proof, long time smooth