Cixi Haisheng Rubber Products Co., Ltd, is a civilian enterprise which specialized in developing and manufacturing series of rubber sealing products. High-precision from professional quality. The company specializes in variety of static and dynamic seal design, development, manufacturing, sales and service of high-tech enterprise. Our company covers an area of 7, 000 square meters and located in Cixi, Ningbo. We have passed ISO 9001 and TS16949 certificate, based on modern management experience, advanced production technology and optimizing human resources, independent mold design workshop. The precision of the o-ring can be reach 0.01mm.Our products are in great demand in domestic markets and well sold in the world. We carry the material in NBR, HNBR, VITON, EPDM, SILICONE as well as special materials and grades for demanding applications in the fields such as lighters, auto parts, electronics, precision instruments, medical instruments, fast joints and so on. Standard sizes stocked comply with AS568, DIN 3771, BS1806, BS4518, or ISO3601 specifications. We are devoted to providing customers with solutions for rubber airproof products, committed to becoming the field leader of precision rubber products and world supplier of various special rubber products. Welcome to our company and welcome to contact us.