
China National Day 2026
JS FITTINGS will observe China National Day from October 1–7, 2026. Customer orders will remain on schedule, and inquiries will continue to be handled during the holiday.

JS FITTINGS will observe China National Day from October 1–7, 2026. Customer orders will remain on schedule, and inquiries will continue to be handled during the holiday.

Large diameter steel pipe manufacturer supplying LSAW, SSAW and coated steel pipe for oil & gas, water transmission and infrastructure projects. API 5L and custom sizes available.

JS FITTINGS supplied 6 containers of large-diameter API 5L LSAW steel pipe to a Nigerian customer for a natural gas project, following factory and final product inspections.

LSAW steel pipe specifications, API 5L standards, sizes, grades, testing requirements and how to choose a reliable LSAW pipe supplier.

Seamless vs ERW steel pipe explained for industrial buyers. Compare manufacturing, pressure, oil & gas applications, cost, standards and selection criteria.

Learn about carbon steel ERW pipe specifications, standards, grades, sizes, wall thickness and common dimensions. JS FITTINGS supplies ERW steel pipe for distributors and industrial projects.

Compare API 5L Grade B vs ASTM A106 Grade B seamless pipe for oil & gas, refinery and industrial projects, avoid costly specification mistakes.

How to select seamless steel pipe by standard, grade, size, schedule and testing. Practical FAQ for distributors, stockists and oil & gas project buyers.
We will contact you within 2 hours, please pay attention to the email with the suffix “@jsfittings.com” or “@chinajsgj.com”.