Group 1 - The core point of the article highlights that Bingyang Technology (920675) has been selected as a qualified supplier for the acid fracturing materials procurement project by Sinopec for 2025-2026, which is expected to positively impact the company's business development [1][2] - On February 3, 2026, Bingyang Technology's stock closed at 12.01 yuan, reflecting a 7.23% increase with a turnover rate of 10.54% and a trading volume of 83,300 shares, amounting to a total transaction value of 98.23 million yuan [1] - The net inflow of funds on February 3 included 9.1986 million yuan from main funds, accounting for 9.36% of the total transaction value, 9.9691 million yuan from retail funds, making up 10.15%, and 1.3465 million yuan from individual investors, representing 1.37% [1][2] Group 2 - The company received a notice from Sinopec International Co., confirming its qualification as a supplier for seven bidding numbers related to silica sand proppant products, ranking from third to eleventh [1] - The actual procurement quantity will depend on the specific usage situation of the customers, and the company plans to sign contracts with clients promptly [1]