Large‑diameter, thick‑wall & special alloy fittings tailor‑made for harsh operating conditions.
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Full material & standard coverage for pressure‑critical pipeline connection solutions.
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Reliable components serving petroleum, chemical, power, metallurgy and energy projects worldwide.
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We provide full‑range pipeline components in carbon steel, stainless steel, duplex steel and nickel‑based alloys. Products comply with GB, ASME, DIN and other global standards, supporting standard and custom specifications for different projects.
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HOT SELLING ITEMS
We specialize in seamless, butt‑weld & forged fittings and flanges. Focus on high‑pressure, large‑diameter and thick‑wall hot‑formed products, supplying qualified piping parts for industrial pipeline projects.
Threaded flange-EN 1092-1:2007 Flange
Steel Threaded Flange-DIN Flange
ABOUT US
CANGZHOU LONGGUAN PIPE INDUSTRY CO., LTD.
We are a professional manufacturer focused on pipe fittings and flanges, integrating production, quality inspection and export services. We deliver diversified pipeline components for various industrial engineering projects.
Our products cover petroleum, chemical, power, water supply‑drainage and municipal construction, sold to customers across the globe.
We support custom sizes, special alloy materials and tailored processing solutions, pursuing long‑term win‑win cooperation with worldwide buyers.
PROJECT CASES
Mature pipeline component solutions for petroleum, chemical, power and municipal‑related projects, with rich practical experience in overseas project deliveries.
One‑stop Pipeline Solution Provider
Offer complete solutions covering prefabricated pipeline design through manufacturing. Simplify your project workflow for stable, timely project execution.
Rich Industrial Project Experience
Solid project background for high‑pressure, large‑diameter pipeline projects across multiple industries, capable of handling complex working‑condition requirements.
Strict Quality & Dimensional Accuracy
Full‑process quality management complying with ISO, CE, API and TS certifications. Raw‑material inspection through finished‑product testing guarantees stable, dependable pipeline parts.
Professional Technical & Support Team
Seasoned technical engineers provide targeted support for special‑material and custom‑spec projects to satisfy varied client demands.
Strong Production Capacity & Modern Equipment
Well‑equipped production workshop with advanced forming machinery. Support mass‑volume orders and maintain steady product quality with short lead‑times.
Reliable Long‑term Global Cooperation Partner
Focus on reliable product performance and sincere service. Devoted to building stable win‑win partnerships with customers at home and abroad.
OEM & CUSTOM MANUFACTURING
We deliver flexible OEM and custom‑manufacturing services for pipeline fittings and flanges.Tailor‑made options cover special materials, non‑standard dimensions, and custom processing per your drawings or technical requirements. Supported by complete production facilities and certified quality systems, we strictly follow international standards to produce custom parts for diverse industrial project conditions. We support small‑batch trial orders as well as large‑volume bulk production, offering one‑stop custom solutions for global partners.
NEWS & BLOG
Latest industry updates, product technical insights and factory project cases for global pipeline manufacturing.
CANGZHOU LONGGUAN PIPE INDUSTRY
We manufacture various flanges and pipe fittings in carbon steel, stainless steel and alloy steel, supplying standard and custom pipeline components for global industrial projects.
Contact Us
E-mail: sales@lgpipefittings.com
Phone: +86 19333059881
Whatsapp: 8619333059881
Add: Yanglongtan Village, Bianwu Town, Yanshan County, Cangzhou City, Hebei Province, China
