渤海汽车：公司子公司渤海活塞连续二十年获得潍柴研发共同体“优秀会员单位”称号

Group 1 - The core viewpoint of the article highlights that Bohai Automobile (600960) has been actively involved in the development and support of piston products for Weichai, transitioning from traditional power to clean fuel and from light engines to marine generator sets [1] - Bohai Piston, a subsidiary of the company, has been recognized as an "Excellent Member Unit" of the Weichai R&D community for twenty consecutive years [1]