I need to purchase door handles for electric cabinet locks. Specifications required:  
- Part No. MS502-2-2R: Red button without key, zinc alloy construction. Quantity: 50 units.  
- Part No. MS304-1-2R: Push button without key, zinc die casting body with nut and zinc plating camalloy. Quantity: 50 units.  
Require delivery within 2 weeks. Prefer payment via bank transfer.

Product Name: Die Cast Cars  
Quantity Required: 5000 pcs  

Please provide:  
1. Material specifications (metal alloy type)  
2. Available sizes/dimensions  
3. MOQ and unit price  
4. Lead time for production  
5. Quality certifications  
6. Packaging details  

We prefer suppliers with experience in manufacturing pull-back mechanism toys.  

 Beryllium Copper Alloy for the Plunger Tips of the Aluminum die casting industry Chemical Composition С17500 standard: ASTM/GB/T5233-2001/EN12163 Berillium 0,4-0,7 Cobalt ∑2,1-2,4 Nickel Aluminium 0,15 max Silicium 0,15 max Cupper base Sizes: CU/BE/CO D.87 L=87 CU/BE/CO D.92 L=87 CU/BE/CO D.82 L=87 CU/BE/CO D.72 L=87-URGENT ONE CU/BE/CO D.52 L=87 Thanks in advance!

We need 200 units wind turbine models die-cast aluminum, or die-cast zinc alloy