... of machining tolerancesFine finished steel gears,Hi-resistant cast-iron body, Hi-resistant Die cast alluminum cover(BDP2.5), Low-friction die ... , 3-coordinate measuring machines, fully automatic gear checking machines, CAT full computer controlled testing machines, etc.) can keep good tolerance ... (15.8%):The United States, Canada, Mexico, Argentina, Brazil Cast iron Low Noise Gear Pump for Forklift