pre-sale technical consultation：we can contact us through our customer service hotline. we will introduce the related products and solutions in detail according to your needs.
pre-sale technical consultation telephone：400-820-2912
after-sales technical consultation：when the equipment fails or the customer has questions about the equipment, the user can call the company telephone, our engineer will provide technical support services;
after-sales technical consultation telephone：021-62299622-8010
post-sale technical consultation mailbox：email@example.com