2026-Henan Liangzhong Pipe Industry Co., Ltd.

(Formerly Yongchang Machinery Factory, founded in 1994 and renamed Henan Liangzhong Pipe Industry Co., Ltd. on April 18, 2018) Located in Xicun Town, Gongyi City, Henan Province — a concentrated industrial base for pipeline equipment in China, the company sits between Zhengzhou (the provincial capital) and the ancient city of Luoyang. Favorable geographic conditions and convenient transportation underpin our sustained development. Our factory is situated in Xicun Pipeline Equipment Industrial Park, covering an area of over 20,000 square meters. The plant consists of the Technical Department, Welding Workshop, Machining Workshop, Assembly Workshop, Semi-finished Product Warehouse, Finished Product Warehouse and Coating Workshop. We employ more than 200 staff members, including 6 senior engineers of researcher rank, 15 senior professional title holders and 20 intermediate professional title holders. Equipped with complete computer-aided design systems and information management systems, we are a high-end pipeline manufacturer integrating research & development, production, sales and technical services. We are capable of manufacturing pipeline equipment with a maximum diameter of 4000 mm, and rubber expansion joints up to 3600 mm in diameter. Our main products include: steel expansion joints, flexible waterproof sleeves, double flange force transfer expansion joints, large deflection loose compensation joints, spherical expansion joints, sleeve expansion joints, bellows expansion joints, non-metallic expansion joints, rubber expansion joints, straight-flow medium thrustless sleeve expansion joints, flexible expansion pipes and other pipeline equipment. Our annual output reaches 50 million sets, which have won consistent recognition from end users. We are furnished with advanced testing and inspection equipment. Operating in accordance with ISO9001:2008 Quality Management System and ISO14001:2004 Environmental Management System (Note: Industry standard is ISO14001 instead of ISO14000), we guarantee all delivered products meet national standards and customer requirements. Committed to global market expansion and customer development, Liangzhong Pipe’s products are exported to many countries and regions across America, Europe, Africa and beyond, earning wide trust from partners worldwide. The name Liangzhong embodies skilled craftsmen well-known to all. As our brand name, it carries profound cultural heritage and unique charm. Liang (Good/Beam): Its original meaning relates to the beam over water; its character structure symbolizes connecting two curved water channels. It implies that through persistent technological innovation, Liangzhong Pipe can shoulder key responsibilities within the industry. Zhong (Multitude): Derived from the philosophy that “among three walkers there must be one who can teach me”. We uphold distinctive craftsmanship, pursue superior quality, strict standards and ambitious goals, standing out amid fierce global market competition.