Jewelry design generally uses design sketching and CAD skills, which is actually very simple, because if you say it is a new product, it must reveal its noble quality and elegance! Design companies can generally do it! I would like to recommend a few to you. I hope they can help you. Shanghai Shangzhi Marketing Planning Co., Ltd. is located at No. 1001, Zhonghua Gate Building, No. 520 Yishan Road, Xujiahui!