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Contact Us

The best point of contact for any question related to YESPI is Sam Korsmoe, the Founder and CEO of the company. Since he frequently travels between the various YESPI offices, the best way to connect with him is by email to     The next best is by WeChat.  His WeChat ID is:  sam_korsmoe


The three founders and managers of YESPI can generally be found in one of these three office locations.  WeChat is the most common and effective means of communication in China.  It’s somewhat common in Vietnam (much less than China) and is not really common at all in the United States.  To contact us, start with Sam and go from there to Francis and Sally.

We look forward to hearing from you. 



YESPI has offices in Shanghai, Ho Chi Minh City, and Ennis, Montana.


USA Office


11 Fan Mountain Court

P.O. Box 1110

Ennis, MT 59729

WeChat: sam_korsmoe



China Office

500 Chang De Road, Building One, Apartment 301

Shanghai, China200042

Tel: 138-1814-7492139-0197-1151

WeChat: sam_korsmoeWeChat: franciszhuangWeChat: scallion_liang



Vietnam Office

501 – 204/BG16 Nguyen Van Huong Street
Thao Dien, District Two

Ho Chi Minh City, Vietnam
Tel: (84) 0772200653

WeChat: sam_korsmoe

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