PM is a product manager (Product Manager), the enterprise is responsible for product management positions, product managers are responsible for market research and according to user needs, to determine the development of what kind of products, choose what kind of technology, business model.
Product Manager is the leader of each product, in the marketing department, a product in the group is responsible for the profit and loss, and for the operation of this product to coordinate all the people, and fully coordinated all the operational aspects of this product and business activities.
In general, a product manager is a full-time manager who is responsible for and ensures that a high-quality product is completed and released on time. His tasks include listening to users' needs, defining, planning and designing the product's features, making complex decisions, making sure the team works smoothly, tracking down bugs, etc. In short, the product manager is solely responsible for the finalization of the product.
In addition, the product manager has to carefully collect new user requirements, competitive product information, and conduct demand analysis, competitor analysis, and research on product trends, etc.
The product manager is also responsible for the design and development of the product.