WSI is a professional manufacturer of OIL SEAL, VALVE STEM SEAL, BONDED SEAL and O-RING
in Taiwan. *|RN|*We have 30 years experience of high technical skill to produce the
high quality oil seal. *|RN|*We have more than 40000 kinds of tooling in our factory.
And all of our customers are satisfied with our high quality and competitive price.
*|RN|*Therefore, we earn the good reputation in this field for several years.*|RN|*We
sincerely invite you can visit our