The World's Largest Online Measuring Instrument Store!
Providing OEM, Wholesale and Retail Services Worldwide. Toll Free :
1-800-717-5818 (U.S. )


1. Order Online
2. Order by Email


1. Order Online


Step 1: Select the piece you like.

Step 2: Click "Add to Cart ".
If you want to buy more, click "Continue Shopping"

Step 3: Ensure you put all you want into the shopping cart, Click "Checkout".

Step 4: Then proceed to make payment.
If paying by Credit Card, you are required to present credit card information and billing address onto our secure page through a click on "Agree and Continue " button.

If you use a PayPal account to make payment, you just enter email address, passwords and log into PayPal account.

*If your payment is successfully made, a Thank-you page will appear. Once payment is made, you will receive an email confirmation from us in 24 hours, then we will safely pack and ship your order, and email you the Checking NO.. You just wait for the package to arrive within 4-7 days.


2. Order by Email
First, please and tell us what you want, as well as details such as

(1) You Country
(2) Product name and ID
(3) Product Quantity

Then a Tresna salesman will contact with you by email in 24 hours.