A head gasket is a gasket that sits between the engine block and cylinder head(s) in an internal combustion engine. Its purpose is to seal the cylinders to ensure maximum compression and avoid leakage of coolant or engine oil into the cylinders;as such, it is the most critical sealing application in any engine, and, as part of the combustion chamber, it shares the same strength requirements as other combustion chamber components.
Q1.What is your main products? A1:Our one of main products are fasteners: washers,gasket and auto parts . Q2. How to ensure that every process's quality A2.1:Every process will be checked by our quality inspection department which insures every product's quality. A2.2:Complete QC system & Advanced physical and chemical testing center. A2.3: Effective and strong technical support and custom-made solutions. A2.4:Mill test certificate. Q3.How long is your delivery time? A3: A: Generally it is 2-3 days if the goods are in stock. or it is 20-30 days if the goods are not in stock, it is according to quantity Q4. What is your payment method? A4:30% value of T/T in advance and other 70% balance on B/L copy. For small order less than1000USD, would suggest you pay 100% in advance to reduce the bank charges. Q5.Can you provide a sample? A5:Sure, Our sample is provided free of charge, but not including courier fees.