This whole set is made with foreign equipments and technology, using Du Pont material, which is more lasting and its great sealing ability makes it oilproof, thus tough to resist wear and corrosion.

• 全套引进技术及设备，采用美国杜邦公司的优质耐磨、减磨材料，密封性能强，耐油耐磨，耐腐蚀。