1 Sanhuan (founded in 193, China famous trademark, Shandong time-honored brand, Shandong famous brand product, chairman unit of China Lock Association, Yantai Sanhuan Lock Industry Group Co., Ltd.)

2TONYON General (China famous trademark, Zhejiang high-tech enterprise, Zhejiang famous brand product, Zhejiang famous brand, Wenzhou General Lock Co., Ltd.)

3, Jia (. Wan Jia Group Co., Ltd.)

4 GULI (Guangdong famous brand, Guangdong famous trademark, high-tech enterprise, global leading enterprise in door-opening solutions, Zhongshan Yasahelai Security Technology Co., Ltd.)

5 Huafeng (China famous trademark, hardware enterprise specializing in the production of various locks, Guangdong famous brand products, Zhongshan Huafeng Lock Co., Ltd.)

6 Yajie ARCHIE (China famous). Guangdong famous trademark, Guangdong top 1 private enterprises, industry famous brand, Guangdong Yajie Hardware Co., Ltd.)

7 Good Lady Locks (a comprehensive service enterprise dedicated to the design/production of modern hardware locks, an energy-saving certified product in China, and influential, Jiangsu Good Lady Home Building Materials Co., Ltd.)

8 Tianyu TengYale (in 1984, Zhejiang famous brand, Zhejiang famous trademark, high-tech enterprise, Tianyu Industry & Trade Group Co., Ltd., one of the most influential large-scale lock-making enterprises in China)

9 Baodeli (Zhejiang famous brand product, Zhejiang famous trademark, director of lock branch of China Hardware Association, top ten lock brands in China, China Baodeli Industrial Co., Ltd.)

1 clubs (Zhejiang famous brand product, leading brand in padlock industry, padlock industry standard revision unit, large-scale lock-making enterprise group, Zhejiang Pujiang Meihua Lock Industry Group Co., Ltd.).