Hose manufacturer / supplier in China, offering Yatai 5bar 29.4mm Black SAE J20 R1 EPDM Coolant System Hoses for Heavy-Duty Application with ISO Certificate, Yatai 10bar 30.8mm Black SAE J20 R2 EPDM Coolant System Hoses-Flexible Heavy-Duty Wire Embedded Type for Vehicle with CE Certificate, Yatai 35bar 9.1mm Black SAE J20 R3 EPDM Coolant System Heater Hose for Normal Service with ISO Certificate and so on.