Nox Mechanical Seal Co., Ltd. is the manufacturer of a wide range of mechanical seals in China. We offer you the most reliable products that ensure ultimate quality.With our extensive experience in the industry and the use of proven technologies,we have been manufacturing innovative products. We make all kinds of mechanical seal products including cartridge seals, single spring seals,rubber bellow seals, multi-spring seals, O-ring seals, metal bellow seals and special seals based on customers+AJI- requirements. Our seals conform to the specification of JohnCrane, Burgmann, Aesseal and Flowserve and can be interchangeable. We are also can manufacture according to customers' drawings or samples.