For more than years now, we have specialised in the design, manufacture and marketing of American Standard O Ring,NBR O Ring,colored o rings technologies and precision parts for all of its customers, for whom product quality is a deciding factor.Should you need anything, never be reluctant to speak to us. The product will supply to all over the world, such as Germany ,South Korea ,Canada ,United States ,Bangladesh . While in the meantime, we continue to keep on producing new technologies and building new designs so as to help make you ahead from the line of this small business. Please email us directly. Our sales staff will try their best to provide you with the best services. We look forward to receiving your enquiry.