ls-凯发k8娱乐旗舰厅
grease free and special materials of fluoroelastomer high pressure seal, durable and chemical resistant. salef-lubricant supportin ring make plunger moving smoothly. high tech cramic coating plunger, drable and chemical resistant. hgh efficiecy pressure regulator mkes pump performance good.
grease free and special materials of fluoroelastomer high pressure seal, durable and chemical resistant. salef-lubricant supportin ring make plunger moving smoothly. high tech cramic coating plunger, drable and chemical resistant. hgh efficiecy pressure regulator mkes pump performance good.