廊坊发展：不存在应披露而未披露的重大信息

Group 1 - The company, Langfang Development (600149), has issued a notice indicating that its production and operational activities are normal [1] - There have been no significant adjustments in the market environment or industry policies affecting the company [1] - The internal production and operational order of the company remains stable, with no major contracts signed or under negotiation recently [1]