From 32 years ago, the first customer is a famous oil seal technology manufacturing factory in central China, all the way up, mutual support and common growth, so in the rubber oil seal oil seal iron shell product manufacturing industry has a place, calendar sun enterprise production of oil seal iron shell products, the quality of the quality of the affirmation, excellent quality, fast supply, and maintain a long-term supply of the situation of short of demand, by the customer's trust and rely on. Since the use of oil seal iron shell products have more stringent environmental conditions, the need for durable materials and full of corrosive substances, so the oil seal iron shell products need to use metal products for its skeleton and then rubber-coated finished products, in order to protect the skeleton of the oil seals from external pollutants erosion, to prevent the sealing effect caused by the failure of the quality of the iron shell parts is to determine the quality of its oil seals. Therefore, the quality of the iron housing parts is to determine the quality of the oil seals, Li-Yang Enterprise has a wealth of manufacturing experience, as long as the customer provides the drawings or specifications, Li-Yang Enterprise is sure that the mission will be achieved.