... 94Fuel pump is in the middle of fuel tank and carbureter. It is divided into iron fuel pump ... , screw fuel pump and oil-water separator. The life span of it ... .The surface treatment has colour-plating, zinc-plating and trivalent chromium. It is called iron fuel pump, ... it has a good performance.ZHEJIANG ZHENFENG IMPORT AND EXPORT TRADE CO.,LTDAdd: 1002 Unit 1, Building ...