Jinbaitai Jewelry Industry Co., Ltd., Tiangong Mei Jewelry Design and Production Co., Ltd., etc. Gold design belongs to the category of jewelry design, and general jewelry design companies will provide gold processing services. Shenzhen's business scope includes gold design and processing plants such as Jinbaitai Jewelry Industry Co., Ltd., Tiangong Mei Jewelry Design and Production Co., Ltd. and Heng 'an Jewelry Design Co., Ltd. Gold is a simple form of chemical element gold (chemical element symbol Au), which is a soft, golden yellow and corrosion-resistant precious metal.