Heavy Duty Ball Screw is widely use in big machine which need good load capacity. Our ball screw series DFU is with heavy duty for its structure which have two nuts. Double nuts ball screw is for frequent action and high precision maintenance.
Phosphatidylserine (PS) is an amino acid derivative compound that is fat-soluble and found in high amounts in the brain.It is one of the most abundant components in the brain cell membrane, which enhances brain function by smoothing neural transmission.PS
G4-73 and Y4-73 boiler through and induced draft fans are mainly used in 2 ~ 670t/h steam boilers in thermal power plants.In the absence of other special requirements, g4-73 series fans can be used for mine ventilation and general ventilation.The medium