- Dongguan Dashing Spring Co.,Ltd
- Address:Xinmin Down Road,Chenwu,Wusha IND Zone.Changan Town Dongguan Guangdong China
- Ningbo Sanxing Spring
- Address:xuejia zone Yinzhou district, Ningbo Zhejiang China
- Hebei Founder International Trading Corp.Ltd.
- Address:No.42 Xisanzhuang Road ,Shijiazhuang City Hengshui Hebei 053600 China
- Shenzhen Yidaxingye Hardware Co., Ltd
- Address:Laner Zone,Longdong,Longgang District Shenzhen Guangdong 518116 China
- Changzhou Anliduo Co.,Ltd
- Address:qianhuang,wuyi road,changzhou Changzhou Jiangsu 213000 China
- Xiamen Hongsheng-Hardware Spring Co., Ltd
- Address:Xinglin Jinying Road No7-9, Jimei District Xiamen Fujian 361022 China