What time does Yantai Jinshan Heavy Industry welder work overtime until evening?

Eight o'clock at night. According to the work plan of Yantai Jinshan Heavy Industry, the welders of Yantai Jinshan Heavy Industry worked overtime until 8 pm. Yantai Jinshan Heavy Industry Machinery Equipment Co., Ltd. is committed to the research, development, manufacture and sales of excavator front-end accessories, and is a modern enterprise integrating production, sales and research. At present, the company has nearly 300 employees and a professional R&D team. The factory covers an area of more than 56,000 square meters and has various machining equipment 100 sets.