We have our own Spark plug for denso, Double iridium Spark Plugs, Spark plug for NGK production plant and a professional design team, and have established long-term friendly cooperative relations with many companies based on the principle of "customer first, integrity first".Our company has been focusing on auto transmission validation for many years, and has been leading the industrial direction of the domestic auto transmission validation industry with the spirit of innovation and mastering the core technology. We offer a one-stop-shop solution to all of your business needs, from product development to shipping. Cooperation, tolerance, innovation and efficiency are our company's business philosophy. Since its establishment, we have continuously expanded our business scope with the support of our customers, and our product specifications and sales services have become increasingly perfect. Innovation is the driving force and source to promote the development of our business. To create a new situation in our work, we must keep pace with the times and innovate boldly. We are based on product quality and guided by the service market to continuously improve the quality of our products and services to fully meet market needs and bring value to customers.