Seeking prototype for premium baby duvet (70x90cm) with following specifications:
- Fill: 85-95% down (600-800 fill power) or premium wool alternative
- Shell fabric: 100% cotton, breathable, preferably OEKO-TEX/GOTS certified
- Baffle-box or sewn-through construction for even loft
- RDS certification required for down fill
- Durable stitching with piped edges

Require sample evaluation before bulk order. Please confirm:
1. Prototype production capability
2. Sample cost and lead time
3. MOQ and bulk pricing structure

We require 600 chairs meeting specific technical specifications.  
The metal frame must be constructed with hollow oval-shaped pipes (30x15x2.0 mm) featuring finished welding seams, smooth powder-coated surface in black.  
 
Required dimensions:  
- Seat height: 49 cm  
- Total height: 83 cm  
- Seat/backrest width: 49 cm  
- Seat depth: 42 cm  
- Backrest height: 30 cm  
 
Backrest and seat components must have plastic casing with 25mm thick furniture foam (25 kg/m3 density), covered in durable black fabric. Legs require 2mm wall thickness polyethylene plugs with 4mm floor-contact thickness. All joints must use bolt fasteners.

We need pipe fitting spools for industrial applications. Please provide specifications including material composition, dimensional standards (OD/ID/wall thickness), and applicable pressure ratings.  
Our project requires standard production capabilities without special certifications. Kindly confirm your manufacturing capacity and basic pricing structure.

We are looking for long taper steel pipes specifically designed for conical oxygen lance applications.  
Requirements:  
- Material specifications and certifications  
- Minimum Order Quantity (MOQ)  
- Unit price and bulk pricing tiers  
- Production lead time and shipping options  
Please provide detailed technical documentation. Suppliers capable of custom fabrication are preferred.