is the name of the company Win Spring?

No; the name of the company is Lowe''s (per the logo attachements provided)

Win Spring is a general tagline idea for the Spring season that ties into plants, flowers, etc. as well which they sell.

hi. will i have to pay before i submit my design?

hi, we are just currently reviewing design concepts and hope to have a decision made on which submitted design we could potentially utilze and move forward with soon after the project timeline ends. Thanks.