Delongtai (Shanghai) Sealing Technology Co., Ltd. Was founded in Singapore in 2004 and currently has four branches in China, namely Songjiang in Shanghai, Zengcheng in Guangzhou, and Huangdao in Qingdao Zhoushan Dinghai District is a professional production and processing enterprise, specializing in the production of metal wound gaskets, high-performance asbestos free gaskets, tooth shaped gaskets, and ship materials related products. With nearly 20 years of professional experience in the industry, our company is committed to providing high-performance and high-quality sealing products for shipping, petroleum and petrochemical, natural gas, pharmaceutical plants, power plants, sewage treatment plants, food processing plants, metal industrial plants, shipbuilding, offshore engineering, technology and industrial applications.