Group 1 - The core achievement is the successful development of deep-sea oil and gas dual-metal metallurgical composite pipes by China National Petroleum Corporation's Baoshi Pipe Industry Co., Ltd, marking a significant technological breakthrough in the domestic market [1] - The newly developed N06625 + X65MS D610×(2+16.9) mm dual-metal composite pipe features an outer layer of 16.9 mm thick X65MS acid-resistant carbon steel and an inner layer of 2 mm thick N06625 nickel-based alloy, designed to withstand extreme corrosive environments [1] - The product has passed certification by the China Classification Society, providing essential equipment support for the development of deep-sea oil and gas resources in China [1] Group 2 - The demand for deep-sea oil and gas transportation pipes has been increasing due to the extension of oil and gas exploration into deep waters, which presents multiple challenges such as extreme low temperatures, high pressure, and corrosion from high-sulfur and high-acid environments [1] - A specialized technical team formed by Baoshi Pipe Industry and the National Pipeline Research Center successfully overcame the technical challenges associated with welding nickel-based alloys and carbon steel, developing efficient welding processes that ensure high corrosion resistance [2] - Innovations in precision control of carbon steel base pipes and low dilution rate welding of nickel-based alloys have enabled the industrial production of deep-sea oil and gas dual-metal composite pipes [2]

Group 1 - The company has successfully tested two new intelligent production lines for oil pipes at its manufacturing base in Cangzhou, Hebei, which will soon commence operations [1] - The production lines integrate advanced systems such as IoT and real-time information monitoring, enabling full-process intelligent manufacturing and digital management [1] - The product specifications for oil pipes will cover all needs, catering to diverse domestic and international market demands [1] Group 2 - Production efficiency is expected to increase by 35%, while labor configuration can be reduced by 30% [1] - The company aims to significantly enhance its production capacity for high-end oil pipe products, transitioning towards a high-end and customized product structure [1] - The board views the new production lines as a crucial milestone for technological iteration and capacity upgrade, anticipating a positive impact on medium to long-term earnings [1]