Private-label ball valves from China: 8 checks before the first order
Branding is easy; keeping every batch the same as the approved sample is the hard part. What to agree with a supplier first.
Read the guide →GUIDES
Short, practical answers to the questions distributors and equipment makers ask us most: which construction, which thread, which material, and what to check before a first order.
Branding is easy; keeping every batch the same as the approved sample is the hard part. What to agree with a supplier first.
Read the guide →The seat, not the body, usually sets the pressure–temperature limit. How the common seat materials compare and how to choose.
Read the guide →What the cast grades CF8, CF8M and WCB mean, when molybdenum is worth paying for, and how to check what you received.
Read the guide →Why NPT and BSP threads are not interchangeable, what R, Rc, Rp and G mean, and how to write the thread standard on an order.
Read the guide →How body construction changes flow, price and serviceability — and five questions that settle which one your customer needs.
Read the guide →Send a part list, a drawing or just a photo. Working days, Mon–Sat 08:30–18:00 Beijing time.