We need to purchase replacement batteries specifically compatible with dash cams.  
Our requirement focuses on battery units suitable for K1S model dash cameras. The batteries should maintain full compatibility with original dash cam specifications while ensuring extended usage life.  
Priority will be given to suppliers who can provide detailed technical specifications including cycle times, temperature tolerance ranges, and safety certifications. Please indicate available warranty terms and minimum order quantities.

Require 50-100 pcs of vacuum brake boosters compatible with Chevrolet Tracker 2022 LT 1.0.  
Budget range: 200-300 RMB per unit.  
Must match OE number: 897001582.  
Will use own shipping agents in China for logistics arrangements.

Request technical proposal and quotation for prototype composite pressure vessels with three design variants.  
 
Requirements:  
1. Quantity Options: Pricing required for 1pc, 3pcs, and 10pcs  
2. Design Parameters:  
- Working pressures: 50bar (V1), 100bar (V2), 200bar (V3)  
- Dimensions: 1000mm total length, 100mm outer diameter  
- End configurations: Filament-wound dome on one end, threaded connection (e.g. M18×1.5) on opposite end  
- Liner material options: Aluminum (Type III), Polymer (Type IV), Linerless (Type V if feasible)  
 
3. Technical Requirements:  
- Operating temperature range: -20°C to 60°C (confirm extended range impact)  
- Weight minimization with safety margins  
- Manufacturer to specify:  
 * Recommended construction type  
 * Laminate thickness per applicable design code  
 * Permeability assessment for Type V at 100bar  
 * Expected finished weight per liner option  
 
4. Compliance: Must meet ASME/ISO pressure vessel standards  
5. Medium Compatibility: Non-flammable gas (air/nitrogen) and water applications  
 
Please provide engineering recommendations for optimal design configuration.

Looking to purchase 1 unit of long range WiFi transmitter/extender for demo purposes. Product requirements:
- 2.4GHz frequency with 300Mbps speed
- Outdoor deployment capability
- Integrated 14dbi antenna
- AP/hotspot functionality

Please provide:
1. Unit price for single quantity purchase
2. Detailed product specifications
3. Available purchase channels
4. Demo support information

Dear Sirs, Good day, Please advise your best price and delivery time for the following items: DESCRIPTION 1. WIKA Detector Resistance Temperature TR10   x 15 pcs P/N: 84240151, Temp. Rating:-50 to 250°C Resistance: 100 OHM Sheath Size: 6MM Dia Element Mat’l: PT100 CLASS B (IEC 60751) Wire configuration: Dual 4-wire Sheath Mat’l: SS 1.4571 Measuring Insert L= (I 5):170mm (A-DIMENSION) 2. WIKA Pressure Gauge, Pressure  x 10 pcs Bourden Tube; Stainless Steel Model: 131.11.050 Nominal Size: 50mm Connection Location: Lower Mount Range: 0 to 30PSI Process Connection: ? NPT Male Thread Used in Booster Compressor at NG Pres Area Kindly ask you to submit your offer until 12/5/2025. Make sure to provide us with the relevant technical data sheets for our further evaluation and EXW terms.