Jiangsu Huaqing Fluid Technology Co., Ltd. was established in 1994. We are the professional enterprise in researching, designing and producing mechanical seals and stern-shaft sealing equipment of ship. Our company is certified to ISO 9001. It is a governing unit of China Hydraulics Pneumatics seals Industry Association, the senior supplier of Sinopec, China Mechanical Engineering Association Fluid Engineering Branch Sealing professional committee Unit, and the national mechanical seals ...