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 22nd - 26th, 2021
Christmas Week December 24th - 31st, 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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