Shandong Precede Petroleum Technology Co., Ltd.

Shandong Precede Petroleum Technology Co., Ltd. (also known as Shandong Puruiside / 山东普瑞思德石油技术有限公司) was originally established in 1997 and reorganized in September 2008, when it merged with Anton Oilfield Services. With registered capital of RMB 100 million, Precede is a professional oilfield technology service company specializing in oil and gas well sand control completion technologies and the R&D of related downhole tools. The company integrates product R&D, manufacturing, sales, and field services, offering one-stop sand control completion capabilities. Precede has developed proprietary technologies including high-pressure packing sand control, horizontal well open-hole gravel packing, thermal recovery sand control and steam injection integration, horizontal well hydraulic packer systems, frac-packing, and artificial island integrated sand control. The company has been recognized as a Shandong Province High-tech Enterprise (2009) and maintains advanced quality control systems and R&D accounting frameworks. Products and technologies are widely applied in major domestic and international oilfields. The company has R&D and manufacturing facilities in both Qingdao (10,000 sqm) and Dongying.