RUIFENG PETROTECH.RUIFENG PETROTECH was established on October 30, 1998, with its registered office located in Dongying City, Shandong Province. The company operates four technical R&D product lines, employs over 20 professional technical researchers, and possesses design and development experience in more than 200 specialized technologies. It has secured 37 invention patents and over 70 utility model patents. Its product portfolio includes sand control packers, water injection process strings, downhole safety valves, cable-over-packers, production packers, fracturing tools, and high-temperature/high-pressure packers. Since 2011, RUIFENG PETROTECH has maintained API Q1 and ISO 9001 quality system certifications. The company has obtained API 14A, API 14L, API 19AC, API 11D1-V0, and API 5CT product certifications. Key offerings include: sand control technology, openhole fracturing technology, flow control tools, safety valves and accessories, packers and accessories, intelligent completion technology, drilling technology, sidetracking technology, water control technology, and water injection technology.