欢迎光临上海大内双福贸易有限公司! Shanghai Da Nei Shuang Fu Trade Co.,Ltd
油封 OIL SEAL
液压油封 Hydraulic Seal
O型圈 O-Ring
聚四氟乙稀产品 PTFE Seal
耐磨衬套 Shaft Sleeve
垫片 Gasket
复合材质密封件 Composite Material Seals
订制油封 ODM Seal
摩托车油封 Motorcycle Parts
汽车油封 Automobile Seal