Require custom-made jewelry charms with extremely delicate craftsmanship. Key specifications:
1. Miniature size: Approximately 1 cm dimensions
2. Intricate detailing: Sharp visible features without rough edges
3. Complex shapes: Smooth curves and precise structural elements
4. Material quality: Lightweight yet durable precious metal
5. Aesthetic requirement: Fragile appearance with high-end finish

Seeking manufacturer capable of producing:
- Micro-detailed casting techniques
- Consistent quality control for small batches
- Experience in luxury jewelry manufacturing

Please provide:
- Technical specifications for such delicate pieces
- MOQ requirements for custom designs
- Pricing structure based on silver/brass materials
- Typical production timeline