产品概要： Provide FIFI-1, FIFI-2, FIFI-3 three external fire protection system levels, with a more compact and stable product structure, a wider flow range and a more concentrated water column range. Marine electrical equipment is one of the main products of Zhenjiang Tongzhou Propeller Co., Ltd. with good price and quality,Factory wholesale with discounts.Our factory is a professional suppliers china and Manufacturers china,with various quality products on sales.