Sinoseal Holding Co., Ltd. engages in the research and development, manufacture, and sale of mechanical seals and their auxiliary systems in China and internationally. The company offers mechanical seals for pumps; rubber and plastic seals; dry gas seals for compressors; stirring and sealing; pump sealing auxiliary system; dry gas seal control system for compressor; dry gas seal and control system for pipeline compressor; split seal; engineered seals; carbon ring seal; bearing protector; rotary jet pumps; sealing intelligent monitoring system; seals; shield sealing components; sealing production equipment; and sealing materials. The company serves oil and gas, oil refining, petrochemicals and chemicals, nuclear power, energy and industrial fields, and other industries. Sinoseal Holding Co., Ltd. was founded in 1978 and is based in Chengdu, China.