FAQ:

1. What types of tank heads can you manufacture?

We specialize in a wide range of shapes to meet international standards (ASME, DIN, GB), including:

Ellipsoidal Heads (2:1)
Torispherical Heads (Flanged & Dished)
Hemispherical Heads
Flat Heads and Conical Heads
Custom Fire Pit Bowls (Industrial-grade thickness)

2. What materials are available?

We source premium raw materials with full traceability. Our standard options include:

Carbon Steel: Q235B, Q345R (Standard for pressure vessels)
Stainless Steel: 304/304L, 316/316L (Polished or brushed finishes)
Alloy Steel & Aluminum: Available upon request for specialized applications.

3. What is your manufacturing range (Size & Thickness)?

Diameter: From 50mm to 10,000mm.
Thickness: From 2mm up to 300mm, depending on the forming method (Cold vs. Hot pressing).

4. Which production standards do you follow?

Our factory is certified to meet global engineering requirements, including:

ASME Section VIII, Division 1 (U-Stamp compatible)
ISO 9001:2015 Quality Management
DIN 28011 / 28013
GB/T 25198 (Chinese National Standard)

5. Do you provide Material Test Reports (MTR)?

Yes. Every shipment is accompanied by an official MTR (Material Test Report) and a Certificate of Compliance. We also provide Non-Destructive Testing (NDT) such as X-ray, Ultrasound (UT), or Magnetic Particle Inspection (MT) upon request.

6. Can you produce custom fire pit bowls for garden retailers?

Yes. We supply many international wholesalers with heavy-duty carbon steel dish heads used as fire bowls. We can include custom features such as:

Center drainage holes.
Welded legs or bases.
Sandblasted or pre-weathered finishes.

7. How are the products packaged for international shipping?

To prevent damage and rust during sea freight, we use:

Steel Pallets or Cradles for large heads to prevent warping.
Anti-rust oil coating for carbon steel products.
Shrink wrap or wooden crates for stainless steel to protect the surface finish.

8. What is the typical lead time?

In-stock sizes: 3–5 days.
Standard production: 15–25 days.
Large-scale or custom projects: 30–45 days depending on material availability and complexity.