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About Us

WSI is a professional manufacturer of OIL SEAL, VALVE STEM SEAL, BONDED SEAL and O-RING in Taiwan.
We have 30 years experience of high technical skill to produce the high quality oil seal.
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.
Therefore, we earn the good reputation in this field for several years.
We sincerely invite you can visit our


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