... service 3)ISO 9001:2000 NISSAN TD27 Engine valve guide Our factory can offer engine valve guide for tractors ,automobiles ... specialized in manufacturing diesel engine parts,espeically for engineering vehicle and construction vehicle, like truck, forklift, excavator etc.2) ... Certificate5)We also offer engien valve guide for ISUZU, HINO, NISSAN, TOYOTA, HONDA, MITSUBISHI, SUZUKI, LEXUS, MAZDA,DAEWOO, ...