Group 1 - The core viewpoint of the articles is that the company, Weigang Environmental Technology, reported a decline in revenue and an increase in losses for the six months ending June 30, 2025, primarily due to reduced income from hazardous waste incineration and oilfield services [1][2] - The company's revenue for the period was RMB 80.709 million, a decrease of 10.66% year-on-year [1] - The loss attributable to shareholders was RMB 7.341 million, an increase of 39.38% compared to the previous year [1] Group 2 - Revenue from hazardous waste incineration solutions decreased by 38.5% from RMB 17.90 million to RMB 11.00 million, attributed to market saturation and increased competition [1] - Revenue from oilfield services fell by 9.5% from RMB 53.50 million to RMB 48.40 million, due to reduced demand in the oil market [1] - Revenue from cement rotary kiln parallel disposal services increased by 48.0% from RMB 12.30 million to RMB 18.20 million, driven by operations in Yunfu and Maoming projects [2] Group 3 - Revenue from oil sludge thermal desorption services plummeted by 93.2% from RMB 5.90 million to RMB 0.40 million, mainly due to the suspension of operations at the Karamay project in Xinjiang [2] - Revenue from other services rose by 250.0% from RMB 0.80 million to RMB 2.80 million, attributed to increased demand for technical upgrades and maintenance services [2]