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Independent Plant

And has a number of advanced, intelligent production lines: mold CNC machining center, stamping workshop, injection workshop, 3D laser cutting workshop, welding assembly workshop, dust-free painting workshop, PVD magnetron sputtering vacuum coating workshop, robot six-axis surface polishing workshop and other diversified production workshops.


We carry out research and development, design, production and manufacturing according to the different needs of customers, and finally provide customers with satisfactory products.


Rich In Experience

Since its establishment in 2012, the company has been focusing on the research and development, production, and sales of German, American, and Japanese automotive parts, original factory upgrades, modified exhaust, and modified tailpipes.


Win-win Cooperation

Danyang Simai Automotive Parts Co., Ltd. (Changzhou Yirui Technology Development Co., Ltd.)adheres to the principle of win-win cooperation and strives to build an independent brand factory that integrates core customization and modification with the principle of "focusing on product quality and serving customers with integrity".

R&D Team

We have an independent production factory, research and development, design team, and sales team of over 60 people.

Since 2012

Our products sell well both domestically and internationally, and we provide special customized services such as various tailpipes, exhaust pipes, exterior sheet metal parts, and exterior plastic parts.

Custom Build

We conduct research and development, design, production, and manufacturing according to customers’ different needs, and ultimately deliver satisfactory answers to customers.

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