- Xiamen Huanxin Machine Co., Ltd.
- Address:Room7045,No.73-74, Huan Road, Heshan Street, Huli District,Xiamen
- Hangzhou Jiangyuan Electrical Appliance Co., Ltd.
- Address:No.26 Xinyan Road Yuhang Dist.
- Foshan Nanhai Ruibang Hardware Factory
- Address:No.14, Xingwang Industrial Zone, Jichang Rd., Nanhai Dist., Foshan, Guangdong, China.
- Chifu Precision Industry (Dongguan) Co., Ltd.
- Address:Building B-C, No. 6, Qingfeng South Rd., Keyuan City, Tangxia Town
- Dezhou Kuhi Import & Export Co., Ltd.
- Address:South First Bicycle Market, Dongqilipu,Dongfeng Dong Road
- Yuhuan Kaiyu Machine Co., Ltd.
- Address:Ganjiang Industrial Znone
- Shenzhen City Tonda Model Design Co., Ltd.
- Address:Xinhe 2
- Dongguan Dalang Lu Sheng Hardware Factory
- Address:No. 65, Lihu Village, Luwu, Changping Town,
- Suzhou Baoma Numerical Control Equipment Co., Ltd.
- Address:NO.42Xulian RD.Xuguan Industry Park,National High-tech.District,Suzhou
- Baoji Weibin District Rare Metal Equipment Factory
- Address:Maying Town, Weibin District
- Wuxi Yidi Chemical Fiber Technology Co., Ltd.
- Address:Renmin road Wen Lin town
- Shenzhen JCX Hardware And Machinery Co., Ltd.
- Address:1st Building,Xiazao Industrial Area,Longhua Town ,Bao'an District
- Yuhuan King Machinery Factory
- Address:Automobile Zone
- Shenzhen Reetech Precision Components Ltd.
- Address:Floor 1,Building 5,The Fifth Industrial Park,Xiacun,Gongming,Guangming District
- Dongguan Quick Plastic Products Co., Ltd.
- Address:No.210 Bubugao Avenue, Wusha Area, Chang'an Town
- Ningbo Haishun Numerical Control Machinery Co., Ltd.
- Address:Lingnan Xinqi Town Beilun District
- Shanghai Yu Sui Hardware Products Co., Ltd.
- Address:Zhongshan Street, Songjiang District, Shanghai, Rong Le East Road No. 18 A Zone
- Guangzhou Gaojie Model Design Co., Ltd.
- Address:No.67-1, Jishan Zhuji Road, Dongpu Town, Tianhe District
- Shenzhen City Ruiyi Weiye Model Technology Co., Ltd.
- Address:2/F, No. 31, Wanan Rd., Wanfeng, Shajin, Bao'an Dist.
- Dalian Yongjin Machine Co., Ltd.
- Address: