| ChengDu Apparatus Co., Ltd |
| SHANGHAI YIGXUAN AUTO FASTENER CO.,LTD. |
| zhejiang Kaisheng hardware co., Ltd |
| Dongtai Huawei Standard Component Corporation |
| NINGBO FASTENER FACTORY |
| Sun- Maku Co., Ltd. |
| Zhejiang New Oriental Fastener Co., Ltd |
| SHANGHAI SUNRISE FASTENERS CO., LTD. |
| Zhejiang Qifeng Hardware Make Co., Ltd |
| HAIYAN INFINITY HARDWEAR CO.,LTD. |
| SHANGHAI JINFU TIANIUM INDUSTRY FACTORY |
| WUXI ANSHIDA HARDWARE CO.,LTD. |
| YUYAO XINTAI HARDWARE CO.,LTD |
| YUYAO HONGFENG METAL CO., LTD. |
| Changde Bolt Fastener Products Co., Ltd. |
| Shanghai JingYang Fastener Co., Ltd. |
| Shanghai Nutech Fastener Co., Ltd. |
| P.S.M International |
| Evan Fastening Systems Shanghai Co., Ltd. |
| Nanhai Hexing Machinery Factory |
| Shanghai Arvid Hardware Co., Ltd. |
| ChunYU (Dongguan) Metal Product Co., Ltd. |
| Dong Guan Yesheng Metal Products Co., Ltd. |
| Wenzhou Yuanda Standard Components Mfg. Co., Ltd. |
| CHIEN TSAI MACHINERY ENTERPRISE CO.,LTD. |
| Shanghai Minmetals - Fasteners |
| GANGQU OF JIAXING CITY FANGFA HARDWARE CO.,LTD |
| Kun Shan City Ching Chan Machinery Co., Ltd |
| Sanwei Fasteners Co., Ltd. |
| Wenzhou Huagang Hardware Co.,Ltd |
| Zhejiang High-Strength Fastener Factory |
| Wenzhou yuanhu Stainless Steel Fasteners Co., Ltd. |
| HangZhou DingYuan Metal Washers Co.,Ltd |
| HAIYAN DAZHONG NUT CO.,LTD |
| Shanghai Biaowu High-Tensile Fasteners Co.,Ltd. |
| Beijing Xintianyun Fasteners Co., Ltd |
| ZHEJIANG YESWIN MACHINERY CO.,LTD |
| NYLOK-China |
