The certificate inquiry and gdtc certificate of Guangdong Gold, Silver and Jewelry Testing Center are reliable. The certificate of Gdtc is reliable, and GDTC is the symbol of Guangdong Gold, Silver and Jewelry Testing Center. Guangdong Gold and Silver Jewelry Testing Center Co., Ltd. is a jewelry product quality testing station approved by China People's Bank and authorized by Guangdong Bureau of Quality and Technical Supervision.

The center has CMA, CAL and CNAS inspection qualification certificates, and is an impartial and independent third-party gold, silver and jewelry testing laboratory. Reports and certificates issued by the center have legal effect.

Gdtc appraisal certificate is a certificate issued by a completely formal and legal appraisal institution, which has legal benefits, is a completely true and effective certificate and is recognized by the state. GDTC diamond certificate is also issued by GDTC diamond testing agency.

Guangdong Gold and Silver Jewelry Testing Center Qualification GDTC is a provincial jewelry testing institution approved by the People's Bank of China and authorized by Guangdong Technical Supervision Bureau. Passed the rigorous evaluation and examination of measurement certification, inspection and acceptance and national laboratory accreditation.

Just send three photos and one copy, and the country is absolutely reliable. Without these certificates, it is not reliable.