... : ISO9001:2001 -Manufactory Product and sell all kinds of valve oil seal : 1. Applications: automobile, motorcycles, agricultural machinery, trucks ... CNC machine.6. Specialized in designing and manufacturing all of oil (water) seals, gaskets, o rings, bolts.7. ... ; aging-resistant; insulation; acid and alkaline resistant; airtight; shock absorption, etc.Shipping1) Small quantity, DHL/FEDEX/UPS/TNT- ...