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Contact us:


Company Address:

Shenzhen Yongzhe Xinran Technology Co., Ltd.

3rd Floor,Building B, No. 6 Hexi New Village,Hengkeng, Guanhu Street, Longhua District, Shenzhen,China,518000

Warehouse Address:

No. 603, 6 / F, 3009 Banxuegang Avenue, Bantian, Longgang, Shenzhen, China

Point of Contact:

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Service & Collaboration Guide

Stirlingkit has ONE official website only. Normally, our website exclusively offers after-sales service for customers who have placed orders directly on Stirlingkit. But if you have other problems with the miniature model engines, website errors, or the community that you want to share with us, please feel free to contact us.

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Influencer Collaboration

If you are an influencer on social media platforms such as Twitter, Facebook, TikTok, Instagram, YouTube, or Twitch, and are interested in our model engine products, please contact us via email at for potential collaboration.

Reissue of Accessories

For engine DIY kits purchased on our website, a 30-day warranty is applicable. Within this warranty period, customers have the opportunity to receive free reissued accessories. If you are missing accessories, kindly provide the product model SKU and the accessory number and quantity you require.

Online Manual

In the event of a missing manual, please send the product model (name and SKU) and a picture of the product to our customer service ( Our team will then send you the digital English manual to your email. Please note that we only have the English version of the manual. If you require the manual in other languages, you can use translation software to capture an image and translate the English manual.

Logistics Issues

If you have inquiries about the logistics of your package, please send the order number to our customer service ( Our team will promptly check the package's logistics status for you.

Wholesale & Dropshipping 

For inquiries related to wholesale and dropshipping cooperation, kindly reach out to our customer service email: You can obtain a quotation table, and there are discounts available for wholesale samples.

Additional store locations

U.S. | Texas

10Midway Rd, Suite 220, Carrollton, TX 75007


Torstr. 111, Vorderhaus, 1. OG, 10222 Berlin


Corporate Edge, Suite #3020, DLF Epitome, Cyber City


Yigal Alon 11a, Alon Tower 1, 4rd Floor – Be All Offices