Contact Us

Corporate Headquarters

Syn-Tech Ltd.
1550E W. Fullerton Ave.
Addison, Illinois 60101
Phone: (630) 628-7290
Fax: (630) 628-7291 
Hours of Operation: Monday – Friday: 7:00 am - 4:00 pm CST


General inquiries (Please send quotes requests to the link below)

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Send an e-mail to any of our departments.

Customer service:




Accounts Receivable:

Order Inquiry:



Michigan Engineering Office

Morrice, MI 48857
Phone: (734) 502.3590
Fax: (517) 625.8755

Asian Sales Partner

Hsu’s Syn-Lube Co., Ltd.
Rm 301, Bld 3#, TongXinYuan, JiuZu Rd., JiangNing Zn.
JiangSu Prov. China 211100
Phone: 025-52150067
Fax: 025-52150224
Mr. Xu XiaoWei
Cell: 138-5175-5014

Plant Closures

New Year’s Day January 1st, 2021
Good Friday April 2nd, 2021
Memorial Day May 31st, 2021
Labor Day September 6th, 2021
Thanksgiving November 25th and 26th, 2021
Christmas Week December 24th, 2021
New Year’s Eve December 31st, 2021
New Year’s Day January 1st, 2022

Syn-Tech is headquartered in Addison, Illinois, just minutes away from major highways, airports and waterways. Our facilities include administrative offices, R&D, manufacturing, quality testing and packaging.

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