With over 27 years of experiences in mechanical seal industry, YALAN has got 28 patents, ISO9001, ISO14001 and OHSAS 18001 certificates, and a lot of other certificates and honors. YALAN's design department has the full ability to design custom mechanical seals according to different special requirements from our clients.
YALAN Seals also created China National Standards of "Shaft Sealing Systems for Centrifugal and Rotary Pumps" (GB/T 34875-2017/ISO 21049:2004) and "Specification for Mechanical Seal of FGD Pump" (JB/T 12391-2015). YALAN Seals is also the council member of China Mechanical Seal Industrial Association.