Motorised lifting rods, manual lifting rods, pneumatic lifting rods, multi-section screw rod linkage lifting. Monitoring and lighting systems. Technical sales, software development; mechanical equipment R&D; security system monitoring services; mechanical equipment sales; electrical equipment sales; communication equipment sales; fire-fighting equipment sales; specialised electronic equipment sales; pneumatic power machinery and components sales; hydraulic power machinery and components sales; artificial intelligence hardware sales; lighting fixture sales; lamps sales; digital video monitoring system sales; security equipment sales; new energy prime mover sales; industrial control computers and systems sales; electronic products sales; smart in-vehicle equipment sales; intelligent robot sales;