GTC Technical Services Co., Ltd. Is an overseas certification company. Currently, GTC has its headquarters located in Hangzhou. As it is situated in a coastal area, the transportation here is relatively convenient, which can reduce the time to reach manufacturers and also make it easier to assist factories in preparing for tests and trials. In addition, driven by the Hangzhou-Ningbo-Shanghai development strategy, a new industrial park has been established in Hangzhou Bay, Ningbo, attracting the settlement of relevant brands such as Geely and the National Institutes for Food and Drug Control (NIFDC). This has further enhanced Hangzhou's potential in technical services, aiming to attract more manufacturing enterprises to join.

Hangzhou Huaren Technical Services Co., Ltd. Specializes in overseas certifications including Gulf Cooperation Council (GCC) Certification, Saudi Arabia SABER Certification, Saudi Arabia SASO Certification for electric vehicles, United Arab Emirates MoIAT Certification for electric vehicles, Eurasian Conformity (EAC) Certification, India ARAI Certification, India BIS Certification, European Union ECE Certification, e/mark Certification, CE Certification, Brazil INMETRO Certification, and South Korea KC Certification. The company adheres to the philosophy of "Customer First, Service Supreme"!