- Shenzhen Fullock Precision Fasteners Co., Ltd.
- Address:1009 Huafuyuan, Xintian, Guanlan Sub-District, Longhua New District
- Dongguan Keystern Electronic Technological Co., Ltd.
- Address:
- Ningbo Lanshi Hardware Co., Ltd.
- Address:NO56,WEIYI ROAD
- Huixing Industry (Qingdao) Co., Ltd.
- Address:Sanlizhuang,Huanxiu Street Administration Office,jimo
- Wenzhou Strong Power Appliance Co., Ltd.
- Address:Tingtian Street
- Zhengzhou Alpha Machinery Co., Ltd
- Address:Dongdajie
- Handan Qianbang Fasteners Manufacturing Co., LTD
- Address:HEBEIPU VILLAGE NORTH LINMINGGUAN TOWN YONGNIAN DISTRICT
- Yueqing Yi Wan Hardware Products Ltd.
- Address:wengyang street
- Hebei Xinuo Fasteners Co., Ltd.
- Address:North Side of the Middle of South Ring Road
- Handan Xingye Fastener Manufactory
- Address:Western road 100meter northern away from Lao Minghe bridge in Yongnia
- Yongjia Sanhe Spring Co., Ltd.
- Address:Heyi industrial zone,Oubei Town,Yongjia
- Yongnian County Baiyun Expansion Bolt Factory
- Address:No 72, District 4, Hebeipu Industrial Zone, Yongnian County
- Hebei Dasai Fasteners Manufacturing CO.,LTD.
- Address:North of Chenliuying Village, Liuying Town, Yongnian county
- Handan City Parsons Fasteners Co., Ltd.
- Address:Feiyu screws world row 4 A11 Yongnia
- Linqing Mingyu Machinery Co., Ltd.
- Address:South industrial area
- WuXi Victor Machinery CO.,LTD
- Address:28,Xidong street
- Ruian Yipin Stainless Steel Products Co., Ltd.
- Address:
- Shenzhen Sinochin Enterprise Limited
- Address:B1428 Qinghu Technology Park Qingxiang RD Longhua Shenzhen China
- Yongnian Dacheng Standard Fasteners Manufacturing Co., Ltd.
- Address:yongnia
- Handan City Ruitao Fastener Manufacturing Co., Ltd
- Address:Zhang Huzhuang Industrial Park