Contact us

Company Informations

Working Time: 8:30-20:00 (GMT+8) Monday to Saturday

Company Phone: +86-023-72227777

Name and address in Hong Kong:

ZMRC (HongKong) International Co., Ltd.

Room 32, 11/F, LEE KA Industrial Building, 8 Ng Fong Street San Po Kong, Kowloon, Hong Kong

Name and address in China mainland:

Chongqing Yuanji Technology Co., Ltd.

2nd Floor, No. 77 Taiji Road, Fuling District, Chongqing, China

Chongqing SeaTree trading Co., Ltd

1-C11, Building A, No. 4 (Times Square), Renmin East Road, Fuling District, Chongqing, China


Room 18-203, District 1, Shangjing Village, Futian Street, Yiwu City, Jinhua City, Zhejiang Province

Warehouse address

No.32, Dongshen South Road, Tangxia Town, Dongguan, Guangdong, China

TEL: +86-0769-82862926

Legal Websites:

Course Sales Service:

WhatsApp: +8619115061759 (Dealing with Course Sales Issues)

Consultation Service:

Consultation: ZMRC (Dealing with Pre-sales Consultation Issues)

Complaints & Suggestions:

WeChat: +1(985)-796-7733


[email protected] (About products purchase)

[email protected] (About miner repair and after-sale issues)

[email protected] (For business cooperation)

[email protected] (If you have any dissatisfaction during the transaction or have valuable suggestions for us)