Group 1 - The core viewpoint of the article is that Dechuan Environmental Protection (603177) has indicated that its revenue from the EU region is not significant in the overall business income [1] - The company primarily exports to EU customers through domestic entities [1]

Group 1 - The core viewpoint of the article indicates that the revenue from the EU region constitutes a small portion of the overall operating income of the company, primarily generated through direct exports to EU customers [1]