Dynagreen(601330) 金融界·2025-05-24 11:49Group 1 - Green Power Environmental Group Co., Ltd. and Beijing Ensa Engineering Technology Co., Ltd. applied for a patent titled "A Constant Flow Lift Valve Pump and Its Logic Control Method" with publication number CN120027058A, filed on April 2025 [1] - The patent describes a constant flow lift valve pump that includes a base with left and right valve pump components and a water tank, allowing for continuous material transport and improved equipment lifespan [1] - Green Power Environmental Group was established in 2000 in Shenzhen, focusing on specialized equipment manufacturing, with a registered capital of approximately 1.39 billion RMB [1] - The company has invested in 45 enterprises, participated in 2244 bidding projects, and holds 85 patents along with 11 trademarks [1] Group 2 - Beijing Ensa Engineering Technology Co., Ltd. was founded in 2009 in Beijing, primarily engaged in professional technical services, with a registered capital of approximately 40 million RMB [2] - The company has invested in 11 enterprises, participated in 96 bidding projects, and holds 95 patents along with 14 trademarks [2]