zuojie wang, factory director of jiaozuo jicheng magnetoelectric co., ltd, a wholly-owned subsidiary of siny optic-com co.,ltd wrote "a multi-wire cutting method for processing optical faraday rotator" in 2021, which was approved and authorized by the state intellectual property office of china on july 4, 2022.
as of the date of publication, siny has obtained three invention patents
siny-tech telephone:86-755-86709385 address: building 3, industrial park, xiuwu county, jiaozuo city, henan province, china