... Rod Seal: Reliable double lip u-cup 3. Rod: polished and hard chrome plated 3" Bore, 1.250 Shaft Heavy Duty ... equipped with CNC milling and turning machines, CNC Lathes, etc.3. Quality Certificates: ISO9001-2000, ISO9001-2008 Quality Assurance System, ... forging parts, engineering goods, etc.5. Quality control following 3 phases of thorough inspection, first-off inspection, during-processing inspection ...