博盈特焊：公司部分潜在客户的审厂流程已完成，已陆续进入订单谈判环节

Group 1 - The company, Boying Special Welding (301468), has completed the factory audit process for some potential clients and has entered the order negotiation phase [1] - To enter the North American HRSG market, the company must obtain a series of stringent international certifications, including those from the American Society of Mechanical Engineers [1] - The company also needs to pass the production system certification of the main engine manufacturers to become an approved supplier before collaborating with them [1]