1, Xinduo Xinduo Group Co., Ltd. is located in Yongkang City, Zhejiang Province, which is known as the capital of China.

2.WONLY Wang Li Group Co., Ltd., a famous trademark in Zhejiang Province.

3. Zhejiang Longyang Industrial Co., Ltd. is located in Yongkang, the hardware capital of China.

4. Well-known brand Wanjia Group Co., Ltd..

5. Buyang Group Co., Ltd., Buyang BY, a well-known brand of door industry, was established in 1992.

6. Chongqing Maxim (Group) Co., Ltd., whose main products are security doors.

7. Pan Pan Anzhu Door Industry Co., Ltd., also known as Lai He Pan Pan, is a leading enterprise in the security door industry in China.

8. Fuxin Taifeng Door Industry Co., Ltd. Fuxin Group Co., Ltd. is a famous trademark and brand in Zhejiang Province.

9. Zhejiang Yi Rui Intelligent Technology Co., Ltd. Zhejiang Yi Rui Intelligent Technology Co., Ltd. is a company controlled by China Superman Group.

10, Harbin Feiyun industrial co., ltd, established in 1985, is a famous trademark in Heilongjiang province.