Contact Us
How can we help you?
Address Luozhuangzi Village, Dulin Town, Cang County, Cangzhou City, Hebei Province，China
Phone 8615533718298
Email info@hballtrust.com
Online Message Please Fill In The Following Information And Let Us Know The Product
You Need.
FREQUENTLY ASKED QUESTIONS
As a leading manufacturer of industrial stainless steel and duplex
piping systems, we provide heavy industries with high-performance,
corrosion-resistant solutions. Here are the answers to the most
common questions regarding our manufacturing standards, custom
capabilities, and global distribution.
01 What steel grades available? We supply standard austenitic grades like 304/316L, alongside high-performance duplex and super duplex steel such as S31803, S32205, and S32750.
02 How is quality guaranteed? Every pipe undergoes 100% non-destructive testing, including hydraulic, eddy current, and ultrasonic tests, to ensure zero-leakage safety under extreme pressure.
03 Do you support customization? Yes. We provide tailored cutting, polishing, beveling, threading, and custom wall-thickness manufacturing according to your specific technical engineering drawings.
04 Which standards do you follow? All our industrial pipes are strictly manufactured to meet international engineering benchmarks, including ASTM, ASME, EN, and ISO specifications.
05 What is your MOQ? For standard sizes in stock, there is no minimum limit. For specialized custom production, the MOQ depends on sizes and specific steel grades.
06 What is the delivery time? Stock items ship within 7 days. Custom factory production typically takes 25 to 40 days, depending on order volume and processing requirements.
07 Where are pipes used? Our duplex and stainless pipes are widely utilized in chemical processing, marine engineering, desalination, oil and gas operations, and high-pressure fluid piping.
08 Are material certificates provided? Yes. Every shipment comes with complete EN 10204 3.1 Mill Test Certificates (MTC) to guarantee material traceability and chemical composition.
09 Can I request samples? We provide free material samples for standard dimensions. Clients only need to cover the international express shipping fees.
