Three plastics compete for the same chemical and industrial lines, and most buying decisions turn on one number that cannot decide anything by itself. The short version: specify PVC-U where the fluid is cold and the pressure is modest. Specify Schedule 80 CPVC where the line runs hot or carries hypochlorite, chromic acid or another
PVC vs CPVC vs PPH for Chemical & Industrial Lines Read More »
Pipe fittings distributor agreement, clause by clause: what exclusivity buys, purchase-target traps, trademark recordal and the exit terms to demand.
Becoming a Pipe & Fittings Distributor: How Brand Agency Agreements Work Read More »
Every importer has met the pitch: a ‘factory’ with a catalogue spanning every pipe material, a price that beats everyone, and a salesperson who answers each technical question with a brochure. Some of those suppliers make the pipes they sell. Many do not. Across China, thousands of trading companies sit between overseas buyers and the
China Pipe Supplier Middleman: 8 Signs You’re Not at the Factory Read More »
PEX and PVC are not competing materials — the plumbing code already split them. What that means for your stock list, fitting inventory and landed cost.
PEX vs PVC Pipe: What Distributors Should Actually Stock Read More »
The practical difference between WRAS and NSF certification is jurisdictional, not qualitative: WRAS Approval is the route British water companies recognise for demonstrating that a fitting meets the Water Supply (Water Fittings) Regulations, and NSF/ANSI/CAN 61 is the health-effects standard North American plumbing codes are written around. Neither one substitutes for the other. A buyer
Search for a PEX brass manifold and the results will offer you a 36-port unit and a 4-loop unit on the same screen, at prices an order of magnitude apart, with nothing on either listing explaining which one your job needs. That is not a bad search result. It is an accurate picture of a
PEX Brass Manifold Sizing: Ports, Flow Rate & What to Specify Read More »
Recycled PPR and PEX pipe: the two ISO 15874-2 melt flow values to put in your PO, the ash-test trap that hides filler, and what each test cannot prove.
How to Spot Recycled-Material Pipe Before It Ships Read More »
Sourcing brass valves from China? Specify the alloy designation, not “lead-free”. Covers the 0.25% rule, NSF 372 vs 61, and the March 2027 withdrawal.
Brass Valve Manufacturer China: What to Specify Before You Order Read More »
EU positive lists apply from 31 December 2026. Find your pipe’s risk group, which conformity modules apply, and what to ask suppliers before the deadline.
EU Drinking Water Directive: Your Pipe Compliance Route Before 31 Dec 2026 Read More »
Verify a China pipe fittings supplier by legal entity, product approvals and certificate scope. Request MOQ, tooling stages and payment terms per order.
Pipe Fittings Supplier China: A Verification Checklist Read More »
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