7YRSNingbo Runfor Sealing Technology Co., Ltd.


Company Album31

Basic Information
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 : <JB/T8873-2011 :Specification of filling-PTFE and PTFE blank for mechanical seal>.Our company always take the market as the guidance,take the customer as the center,meanwhile,we constantly improve the company's internal management and staff's comprehensive quality,in orderto strive to provide customers the most reliable,most economic products.
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Business Type
Manufacturer, Trading Company
Country / Region
Zhejiang, China
Main ProductsTotal Employees
Fewer than 5 People
Total Annual Revenue
US$1 Million - US$2.5 Million
Year Established
Product Certifications
Main Markets


Factory Information

Factory Size
5,000-10,000 square meters
Factory Country/Region
NO.101 Yuanzhong Road,Tengtou Industrial Zone,Fenghua,Zhejiang
No. of Production Lines
Contract Manufacturing
OEM Service Offered, Design Service Offered, Buyer Label Offered
Annual Output Value
US$2.5 Million - US$5 Million

Annual Production Capacity

Product Name
units Produced
unit Type
Tungsten Carbide