GTTC provides voluntary product certification services with professional strength and high-quality services, creates a one-stop certification service center, provides enterprises with classic certification services such as product functionality certification, high-quality certification, Eco-green certification, and customized certification and other characteristic certification services, covering clothing, home textiles, health protection and other fields, enjoying a high degree of credibility among enterprises and consumers. Since the layout of the certification business, it has successively become the favor of many brands,such as Powecom, Kindful, Biemlfdlkk, Dr.Kong and Mendale.