Contact Us

Thank you for your interest in contacting us. My name is David Leung and I am the sales manager at Promasko. My objective is to deliver a personalized service experience based on your requirements. I am in China. Please feel free to get in touch with me.

Email Address

My email address is Please kindly include your name and your contact information with your message.

Phone Number for Clients Worldwide

I can be reached at +86-1-367-298-5168 (China). For clients from Europe, Africa, Asia, and Oceania, please feel free to call me during your office hours.

For U.S./Canada

If you are in the U.S., you can call me at (310)601-4897. This is a Los Angeles phone number.

I can also be reached at (647)729-2237 if you are in Canada. This is a Toronto phone number.

I am usually available to answer phone calls 6:00AM – 11:30AM, 6:00PM – 11:30PM, U.S. & Canada Eastern Time, 7 days a week, and by appointment.

Our Mailing Address

Promasko Co., Ltd., Huadu Industrial Park, Guangzhou, Guangdong, China