Profile: Xingtai Honglei Seal Manufacturing Co., Ltd. is a manufacturer of oil seals. We are an ISO 9001: 2000 certified company. Our main product lines include automobile oil seal, agricultural & construction machinery oil seal, wheel hub oil seals for tractors, valve stem seals, precision rubber parts, and O-rings. Our products are widely used in coal mines, oil fields, electric power, ships, automobiles, locomotives, construction machinery, agricultural machinery and other industries. Oil seal is often called grease, fluid, dirt or lip seals. Oil seal is an integral part in any rotating and moving part assembly.