LUOYANG DATANG ENERGY TECH CO.,LTD

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Can PEX-A and PEX-B Use the Same Fittings?
A buyer orders PEX-B tubing for a commercial plumbing project. The supplier sends fittings that are commonly sold with PEX-A. The sizes match: 1/2 inch, 3/4 inch, the barbs slide into the…

PEX Expansion vs Crimp vs Clamp vs Push-Fit: Which Connection Costs Less?
The fitting on the shelf is rarely the fitting that decides the job’s profitability. A $0.80 crimp fitting and a $3.50 push-fit fitting can both look “expensive” or “cheap” depending on what…

PEX-A vs PEX-B vs PEX-C: What Buyers Need to Know
The letters A, B and C on a coil of PEX pipe have caused more procurement confusion than almost any other three characters in the plumbing supply chain. A buyer in Rotterdam…

How to Inspect HDPE Pipes Before Shipment: 7 Checks Buyers Should Make
There is a particular kind of quiet that settles over a buyer the moment a container door swings open at the destination port. The pipes are there. They look like pipes. And…

How to Compare PPR Pipe Fittings Quotes: 7 Details Beyond Unit Price
When you are sourcing PPR pipe fittings, two quotes can look almost identical on paper — same fitting type, same size range, similar unit price — yet the orders they represent can…

Why Do PPR Pipe Fittings Cost So Differently? 5 Things Buyers Often Miss
You’ve probably been there: you ask three different suppliers for a quote on PPR pipe fittings, and the numbers come back looking like they belong to completely different universes. You’re looking at…

HDPE Pipe Weight Per Meter: How to Check Pipe Weight Before Ordering
You’ve just received two HDPE pipe quotations. The outer diameter looks the same. The SDR rating appears identical. Yet one supplier quotes a weight that’s 15% heavier than the other. Which one…

HDPE Pipes and Fittings: How to Match Pipe, Fittings and Connections
You ordered the right pipe. The diameter matches the drawing. The material grade is PE100. The SDR is correct. Then the pipe arrives on site, and the fittings don’t fit. It happens…

Why Are HDPE Pipe Prices Different? A Buyer’s Guide to Cost Factors
You send the same inquiry to three HDPE pipe suppliers. Same DN110, same PE100, same HDPE pipe. You get back three quotes — and they’re hundreds of dollars apart. This is the…

Ordering HDPE Pipe? 10 Details to Put in Your RFQ
Don’t Send Only “I Need 5,000 Meters of HDPE Pipe” “Please quote 5,000 meters of HDPE pipe.” If you’ve been in the pipe trading business long enough, you’ve seen this message dozens…

How to Specify Brass Hose Fittings for a Purchase Order
“Please quote 1/2-inch brass hose fittings, 2,000 pcs.” It sounds like a complete request. It isn’t. A supplier reading that line has no idea whether 1/2 inch refers to hose ID, barb…

Brass Hose Barb Sizes Explained: How to Match Barb Size to Hose ID
Your hose is labeled 1/2 inch. You find a 1/2-inch brass hose barb. It sounds like an obvious match — until you try to push the hose over the barb. The hose…
