The following are commonly used design quotations in Shandong. First of all, they vary according to the design difficulty. 1, standard price, 50- 120 yuan per square meter according to design difficulty; 2. The design cycle is long, generally about two months. The standard product design takes 1-2 weeks, and the standard product cost is about 3-5 days. 3. The project cycle is long, usually about one month. 4. The design style is biased towards European and American styles. Generally speaking, designers often need to choose the style suitable for product style design according to the customer's product style and budget. The standard price is generally 150-600. Second, the designer's design level and experience. The designer's level and experience also play a decisive role in the design level. An excellent designer should not only experience and pay attention to these steps in the design process, but also pay attention to the improvement of design ability. Third, the service concept and the design concept of service designers. This concept is also the focus of design, and it is often difficult to solve other people's cognition.