Valve Ball

I need a 24-inch valve seat ring, material SS316L or Inconel steel with PTFE. The finish requires a round gasket inside the collar at the top. Please provide quotation.

I need a quotation for Black Silicon Carbide Powder in grades F24, F120, F220, F320, F280, F1000, F1200, and F1500. This will be used in the stone industry and for sandblasting applications.

Please provide:
- Price for each grade of Silicon Carbide
- Packing details including weights and type of packing
- Price for one 20-foot container

I need to purchase silicon.  
Quantity required: 1000 tons.

We require detailed quotations for Ferrosilico Manganese with separate pricing based on different grades (C, Si, Mn composition). Suppliers must provide:
1. Full chemical analysis per grade
2. Price per metric ton (specify CIF/FOB/CFR terms)
3. MOQ and delivery lead time
4. Packaging specifications
5. Payment terms
6. Technical data sheets or product catalogs
All technical documentation must accompany the quotation. No direct contact information needed in response.

Looking to purchase corten material bowls with 900mm diameter for delivery to Germany. Require pricing for 10/20/30 pieces batches with included sea freight shipping costs (non-urgent delivery). Prefer bulk pricing structure and economical shipping options without time constraints.

Source 2 40" stainless steel hemispheres approx 12ga thick. Quote cost, shipping and lead time