Advantage for Tongfeng patent-based anti-fall safety device:1.Use the needle roller bearing: 1) Increase loading capacity
2) Improve the wear resistance strength
3) Greatly reduce the noise.
2. Sealing ring is designed at the both ends of the bearing1) To prevent dust and keep clean
2) To save grease and make new product do not need to be added lubricant within 1 year
3) Greatly lower the maintenance cost
3. Balance corrected the centrifugal speed limiter1) Reduce the vibration and operation noise
2) Increase the working life
3)The function is particular evident for middle high construction hoist elevator
Xiamen Tongfeng Machinery Co., Ltd. is a professional manufacturer of anti-fall safety device for construction hoist (also called passenger hoist, construction elevator)and torgue screwdriver (also called wrench, converter) founded in Xiamen in 2004.
Customized special part based on your design and standard is available, we have professional research team to provide efficient service to you.
Existing goods is also available, without MOQ, if you need only one household wrench, no problem, we surport paypal, western union, everything is easy and fast.
Our factory is very near to Xiamen airport and railway station, when you arrive airport and have extra time, very welcome to visit our factory, it is only a 5-minutes drive.