Ningbo Runfor Sealing Technology Co.,Ltd (Ningbo Yadong Chemical Industry Co.,Ltd) established in 1991,covers the area of 7000 square meters,construction area of 10000 square meters,consisting of 70 employees,is a professional enterprise in researching,designing,producing and selling of mechanical seals,tungsten carbide and PTFE products.We Supply TC sliding bearing,filling-PTFE& PTFE products and kinds of complete mechanical seal included cartridge type,rubber bellow type and O-ring type,can apply to different workingconditions.According to DIN24960 and GB6556-94 standards to design for the mechanical seals.The products are widely used in petrochemical industry,food machinery,printing and dyeing,pharmacy equipment,metallurgy smelt,municipal drainage,building water supply,sea-water desalinization and so on..We have a group of highly qualified technical and managerial personnel, including senior mechanical seal and pump engineers to design a variety of seals, develop solutions and on-site service.To ensure the quality of products,our company introduced a variety of advavced production and inspection equipments,and set up a sound quality management system,we are passed InternationalQuality System Authentication of ISO 9001:2008.Our company has joined "China Hydraulics Pneumatics & Seals Association" (CHPSA) and "China Association of Fluorine and Silicone Industry "(CAFSI). Meanwhile, We are the industry standard drafting unit : .Our company always take the market as the guidance,take the customer as the center,meanwhile,we constantly improve the company&＃39;s internal management and staff&＃39;s comprehensive quality,in orderto strive to provide customers the most reliable,most economic products.