BSDropshipping: 3PL Fulfill

This app has truly disappointed me. First, customer service is terrible. Even though I confirmed the item was in stock before placing the order, they always told me it was out of stock or that I needed to meet a minimum order quantity after placing the order.
Furthermore, the shipping time is extremely long, and even when it is shipped, the product quality is mediocre and does not match the description. Many items arrive damaged or of very poor quality. When I ask them for solutions, they always give vague replies and refuse to issue refunds. It's outrageous!