Contact Us

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Headquarters

BIOTEK ENVIRONMENTAL SCIENCE LTD.
5th Floor, No.98, Hsing-De Rd San-Chung, 24158, Taipei, Taiwan , R.O.C.
TEL: +886 (2) 8511 1048
FAX: +886 (2) 2999 3721

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Manufactory

YANTAI UNITED OZONETEC CORPORATION
Building 5, 106 Taishan RD, ETDZ Yantai, 264006, China. TEL: 86-535-6393729
FAX: 86-535-6380622

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Branch

YANTAI UNITED OZONETEC CORPORATION SHANGHAI BRANCH
Room 2005, Longyu Mansion, 1036 Pudong South Road, Shanghai, China ZIP：200120
TEL: +86 (21) 6111 8851
FAX: +86 (21) 6111 8852 ext. 8000
Mail: info@besgroups.com