FAQ 常見問題
Questions Before You Order
Common questions from pipe buyers, answered plainly.
Yes — we are the manufacturer. Orders ship factory-direct from our Taiwanese mills, with no distributor layer.
JIS G3445 STKM, JIS G3454 STPG, and ASTM A53 Grade B, plus ERW structural tube.
Outer diameters from 1/2" to 24" (21.3–609.6 mm), with wall thickness from SCH 20 to SCH 160, STD, XS and custom thick wall.
Yes — MTC/TC certificates are supplied with your order for full traceability.
We export FCL/LCL to buyers in the USA, Japan, Europe, Vietnam, the Philippines and across Southeast Asia.
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