A unique molding is created on the surface a hard protective layer, which is anti-oxidation, wear-resistant and durable, and improves the service life of the product Hard oxidation treatment with super anti-oxidation ability, not easy to older The material is thicker, which improves the stability of the cylinder and has a stronger impact resistance Imported sealing ring + thickened cylinder body, smooth for a long time without reduction, air leakage, wear-resistant and dustproof › See more product details; Product description A unique molding is created on the surface a hard protective layer, which is anti-oxidation, wear-resistant and durable, and improves the service life of the product Hard oxidation treatment with super anti-oxidation ability, not easy to older The material is thicker, which improves the stability of the cylinder and has a stronger impact resistance Imported sealing ring + thickened cylinder body, smooth for a long time without reduction, air leakage, wear-resistant and dustproof; Product description A unique molding is created on the surface a hard protective layer, which is anti-oxidation, wear-resistant and durable, and improves the service life of the product Hard oxidation treatment with super anti-oxidation ability, not easy to older The material is thicker, which improves the stability of the cylinder and has a stronger impact resistance Imported sealing ring + thickened cylinder body, smooth for a long time without reduction, air leakage, wear-resistant and dustproof; A unique molding is created on the surface a hard protective layer, which is anti-oxidation, wear-resistant and durable, and improves the service life of the product Hard oxidation treatment with super anti-oxidation ability, not easy to older The material is thicker, which improves the stability of the cylinder and has a stronger impact resistance Imported sealing ring + thickened cylinder body, smooth for a long time without reduction, air leakage, wear-resistant and dustproof
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