Have 20+ years in integrated research and development, processing, and manufacturing in the sensor technology field, including measurement sensor technology, high-precision accelerometer, gyroscope technology, and photoelectric.

We are committed to providing our customers with high-quality, enduring, and easy-to-use measurement products. 

Our company mission is to offer customers competitive solutions, products, and services according to consumers' demands, creating long-term value for our clients and society.

We accept all payment methods that eBay approved.

The order will be processed after the payment is completed.

We ship orders every day from Monday to Saturday. All orders ship from our US-based warehouses.

All items are shipped for free by USPS First-Class throughout the United States. You will have the option to pay for upgraded shipping methods at checkout for faster delivery.

We ship internationally via the eBay Global Shipping Program-eBay International Standard Delivery.

We show estimated delivery times on our listings as we understand that delivery is extremely important to all our buyers. We aim to dispatch all orders within 1 business day of cleared payment, to ensure that your order is with you as soon as possible. However, delivery times may vary, especially in peak periods.

A tracking number will be provided on eBay once a shipping label is created. You can track the shipping status on eBay when the package is in transit.

If you think that your item has been damaged during delivery, please make sure to contact us within 48 hours of receiving it. Please contact our customer service team via eBay message or via the "Contact Seller" link to report any damage.

Unless otherwise indicated, all photographs, designs, audio, video, text, and graphics on the Site (collectively, the "Content") and the trademarks, service marks, and logos contained therein (the "Marks") are owned or controlled by us or licensed to us, and are protected by copyright and trademark laws and various other intellectual property rights and unfair competition laws of the United States, foreign jurisdictions, and international conventions. The Content and the Marks are provided on the Site "AS IS" for your information and personal use only.

Except as expressly provided in these Terms of Use, no part of the Site and no Content or Marks may be copied, reproduced, aggregated, republished, uploaded, posted, publicly displayed, encoded, translated, transmitted, distributed, sold, licensed, or otherwise exploited for any commercial purpose whatsoever, without our express prior written permission. We reserve all rights not expressly granted to you in and to the Site, the Content, and the Marks.

Purchased items may be returned within 30 days for money back without reason. Refunds will be issued back to your original payment method within 6-48hours after our warehouse receives and inspects.

Items can be returned and a full refund will be guaranteed within 90 days from the date you receive if there's a quality issue.

Please note that eBay is not allowed the seller to refund through the eBay platform after the 90-day limit has expired.

Customers must ship the return products with sufficient shipping packaging to prevent the packages from being physically damaged during return transportation. The Customer is responsible for any loss and damages in return shipping.

A two-year warranty or replacement guarantee is provided based on product quality problems from the date of purchase.

If the item you received is faulty or has missing parts, please get in touch with us via eBay message or "contact seller" in 48hours. Send a clear image of the fault or a photo of all items received.

Contact us anytime if you have any questions about your orders. We will reply within 1 business day. 

Go to "My eBay-Purchases," click on" Order Details," click on "More actions," click on "Contact the seller".