Versatile • Reliable • Dependable



To place an order, contact our sales department in your region of the world:

USA / International Headquarters & Plant

GOW-MAC Instrument Co.
277 Brodhead Road
Bethlehem, PA 18017-8600 U.S.A.
Tel: (610) 954-9000
Fax: (610) 954-0599
E-mail: sales@gow-mac.com

North America, Central America, South America, Europe, Russia, Africa, Middle East

8:00 am - 4:30 pm EST
Monday - Friday

GOW-MAC Instrument Co. - Taiwan

3 Fl, No. 33, Lane 92, Beida Road
Hsinchu City 300 Taiwan, ROC
Tel: +886-3-5422845
Fax: +886-3-5422045
Email: jclo@gow-mac.com

Oceania, Southeast Asia, Taiwan,
South Korea, or Japan

8:00 am - 5:00 pm CST
Monday - Friday

GOW-MAC Instrument Co. - China

West Gate District, Court 31, NanWei Road
Xichange, Beijing China 100052
Tel: +86-13-501010846
Fax: +86-10-83813136
E-mail: sales@gow-mac.com.cn

Hong Kong

8:00 am - 5:00 pm CST
Monday - Friday

Payment may be made via either CIA, purchase order or major credit card. We accept VISA, MasterCard, or American Express. Payment terms are Net 30 Days.

Wire Transfers: We can accept wire transfer payments for most transactions. Please contact our accounting department at accounting@gow-mac.com for our bank information to send payments by wire transfer. Funds must be in US dollars.

All orders are shipped from our factory located in Bethlehem, PA, USA. We ship via UPS Ground or UPS Freight unless otherwise stated at time of order. Orders cannot be shipped to a PO Box.

All orders shipped "FOB Destination, Freight Prepaid and Add". Transportation and delivery charges are prepaid and added to the invoice. For collect shipments, please include your account number with your preferred carrier to ensure proper billing. Transportation charges will vary with the destination, weight, and content of each shipment.

Orders shipped outside the United States will ship by the most appropriate method unless specified at time of order. For international shipments, the buyer is responsible for customs, taxes, tariffs, and any other additional paperwork associated with international shipments. 

Back-ordered items are shipped and invoiced separately as they become available.

No merchandise will be accepted for credit without prior written authorization from GOW-MAC Instrument Co. - USA. Goods returned for any other reason than an error caused by us will be assessed a restocking charge of 25% and freight charges will be paid by you. Contact (610) 954-9000 to obtain a Return Materials Authorization (RMA) number. 

Instruments custom designed for you and your application are not returnable.

Return of Repaired Items: Repaired items will be shipped back to the customer as “FOB – Destination, prepay and add” — unless item is under warranty.

Notwithstanding any agreement to pay freight, delivery of products repaired to a common carrier or trucker shall constitute delivery to Customer and be determinable of the date and time of shipment, and all risk of loss or damage in transit shall be borne by Customer. If the Customer fails to accept the goods from the common carrier or trucker, GOW-MAC Instrument Co. shall be entitled to payment from the Customer. GOW-MAC Instrument Co. may arrange for storage, the risk and the cost, including insurance costs, will be paid by Customer (and Customer agrees to pay such amounts upon demand).