How is the quality of Zhejiang Yongsheng valve?

All right. After investigation by enterprises, Yongsheng valve has no defects such as sand holes, cracks and serious erosion. The internal pipeline of the valve is free of sundries and unblocked, and the contact part with the valve core is polished clean and coated with lead powder oil. The connecting pieces and threads between the valve and the valve cover or valve core can be flexibly and freely reset. Zhejiang Yongsheng Technology Co., Ltd. is a large-scale industrial control valve listed enterprise integrating control valve design, research and development, manufacturing, sales and service.