Shenzhen Delong Xingye Seal Technology Co., Ltd. has a history of more than 10 years in the rubber seal industry. Relying on its strength in fluid seal technology and special rubber product manufacturing, it has summarized a set of development system suitable for the seal industry. At the same time, the development concept centered on customer demand makes Delong resistant to chemical corrosion, wear resistance, high and low temperature Strong practical solution ability in resistance to special media