Billion Pro Limited主要是經營銷售自身品牌的百貨用品，並且代理銷售其他公司品牌的家庭用品。
此Apps方便商戶獲取最新的訂購資訊。功能包括：查看客戶資料、查看訂單記錄、查詢發票記錄等。
Billion Pro Limiteds main business is to sell its own brand of department store supplies, and to act as an agent to sell other companys branded housewares.
This Apps is convenient for merchants to obtain the latest order information. Features include: check customer information, check order records, query invoice records, etc.