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| dgpowerspring.com | |
| 网站标题： | constant force spring, spiral spring, constant torque spring-Yongsheng Metal Products Co., Ltd. |
| 网站简介： | Professional customize constant force spring, constant torque spring, spiral spring, spiral torsion spring, lifting spring, shelf |
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| magtrol.com | |
| 网站标题： | Magtrol: Torque Sensors,Dynamometers,Hysteresis Brakes and L |
| 网站简介： | Manufacturer of motor testing dynamometers, hysteresis brakes and clutches for tension and torque control, torque transducers, load-force-weight measurement systems, displacement transducers, rotary transmitters |
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| 网站标题： | BAOHUI SCREW POWER BIT INC. (Corking) |
| 网站简介： | BAOHUI SCREW POWER BIT INC. (Corking) |
| 关键字： | Corking High Torque Power Bit Magnetic Bit Holder Nut Setter Pneumatic Tool Screwdriver |