NGTC identification certificate. NGTC is one of the top international laboratories accredited by Catawiki. Certified items can ensure the accuracy, fairness, and traceability of products. Digital certificate link: https://ecard.ngtc.com.cn/page/detail-cer-other?c=ZYTD808853&v=38786651 Colour: Deep Green Weight: 21.59 g Size: 39*54*5 mm Natural jade pendant. The color is warm and elegant. Delicate and smooth. The design is a traditional safety lock style, with a round and full lock body and soft edge lines. Using relief technology, dragons and phoenixes are carved on the left and right sides of the lock. The dragon symbolizes authority, masculinity, and strength, while the phoenix symbolizes softness, nobility, and auspiciousness. The combination of the two symbolizes the harmony of yin and yang, the beauty of marriage, and the fulfillment of both career and family.