Urgently require laboratory equipment with specifications:
1. Climatic Chamber - 120L capacity, -20°C to 60°C temperature range, 20%-95% humidity control, 220V
2. Laboratory Oven - 250L capacity, 200°C max temperature, PID control system, stainless steel interior
3. Sieve Shaker - Digital timer up to 99 minutes, compatible with 200-300mm sieves
4. Concrete Sieve Set - 200mm diameter, 10 stainless steel sieves (31.5mm to 0.063mm)
5. Programmable Mortar Mixer - 5L capacity with automatic operation

Immediate delivery or 2-3 weeks timeline required. Provide technical specifications and commercial offer.