Ningbo Yinzhou Guowei, mechanical seals Component Factory is a professional engaged in the design, development, manufacture, sale of various mechanical seals business. Production and testing are well-equipped with a high-quality staff. Has formed the production of various kinds of mechanical seals production, the mechanical seal is one of the production bases. Major producers of a wide range of rubber products corrugated pipe, rubber bellows-type, O-ring ceremony. assembling packages such as mechanical seals and silicon carbide, carbide, alumina ceramics, carbon friction materials such as graphite, products meet DIN24960, ISO3 ......