... ; OEM orders are welcome. Rubber X-rings with high quality: 1)Strictly according to the ASTM20052)Excellent Chemical ... life and excellent compression rate,good resistance to high temperature4)Customers' design and specification are welcomed5) ... originXiamen, China Features has a good resistant of high and low temperature, oil, water, tensile, elongation ... s designwelcome Rubber X-rings with high quality