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  •   Screw jacks, also known as screw lifts, are transmission components that are often used in modern construction machinery. When the screw jack is in use, the surface temperature of the body needs to be controlled at -15° to 80°. If it exceeds or falls below this temperature range, ple...
  •   DOME Fiber Closure Has Excellent Environmental Applicability   The Greentel DOME Fiber Closure is a mechanical pressure gland system that provides continuity protection between adjacent cables to provide optical, sealing and mechanical strength continuity. The anti-shielding fiber sp...
  • The utility model discloses a spiral jacking type vertical lifting elevator which is installed in a vertical elevator shaft. The vertical elevator shaft is provided with a landing door on each floor, which comprises a car which can run up and down along the vertical elevator shaft, and four a spiral...
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