Welcome to DiagOK Auto Tech Co., Ltd, we provide high quality and service for auto diagnosis and programming products and the auto accessories. We make high focus on the customer's need and pay more attention to the quality of our products. As we just want to benefit all of our customers.

- Best Products


We are willing to make more focus on the customer's need and pay more attention to the quality of our products. As we just want to benefit all of our customers. We develop and manufacture auto diagnostic tools, code readers, ECU chip tunning tools, auto ECU programmers, auto key programmers, auto diagnostic connectors, odometer correction kits, airbag reset kits, BMW&Opel diagnostic tools, VAG diagnostic tools, service interval resets, carsoft compatible interface, etc. Meanwhile, we provide OEM manufacturing for our worldwide clients.

-Best Quality


With international standard control from R&D, testing and manufacturing, we are sure to provide products with best quality. Closely following ISO9141-2, ISO14230-4, QS9000, ISO9001 and TS16949, AOTO Tech will benefit our customers without any trouble of product quality.

-Competitive Price


As one of the true few R&D centers and manufacturers of auto diagnostic tools in China, compared to the other suppliers, we can provide competitive price to benefit our customers, especially for large order.

-Quick Delivery


We provide timely delivery to our customers. After we receive the payment, we will ship the products in 1-3 business days, and you can get the products in 4-7 business days. You can also track the delivery status through professional express website.

-Technical support & Service


We are sure to provide very good technology support and after sale service, as we have our engineers.
We are committed to providing technical support and after sale service as follow:
-One year for free update for the software.
-One year warranty for quality of all the components.