After review, Shandong Shitong Quality Authentication Co., Ltd. issued this certificate in accordance with the relevant verification procedures to prove the authenticity and effectiveness of the disclosed content. Value of carbon footprint per functional unit: 9455.2100 kg CO2 equivalent.

Raw material acquisition

Production

Yantai TRI-CIRCLE Lock Industry Group Co., Ltd.

Car Locks and Accessories

经审核，山东世通国际认证有限公司根据相关核查程序发布本证书，对披露内容的真实性和有效性予以证明。每功能单位产品碳足迹数值：9455.2100千克二氧化碳当量。

汽车锁及配件

碳足迹信息

认证档案

产品碳足迹认证

碳衡联盟链