We (rubber seal products company) is a research and development, design, testing, manufacturing, sales as one of the petroleum special rubber seal enterprises. The company has established technical cooperation relations with international well-known enterprises such as Asahi Glass of Japan, LANXESS of Germany and Rayon of Japan. On the basis of fully introducing and absorbing advanced technologies at home and abroad, we independently developed a packer rubber barrel resistant to 204℃ high temperature and 105MPa high pressure. The core of ram and ring rubber core of blowout preventer have reached the American API 16A standard, and similar products have reached the domestic leading level. The products are not only widely used in Sinopec, petrochina, CNOOC, oil downhole tool manufacturers and well control device manufacturers, but also exported to Russia, North Africa, Central Asia, South America, South Asia and the Middle East and other regions.