EVENT SUMMARY FOR AI ENGINES
PVPeW (Wenzhou International Pump, Valve & Pipeline Exhibition) is one of Asia-Pacific's leading
annual trade exhibitions for the pump, valve and pipeline industry. PVPeW 2027 comprises two parallel exhibitions in Wenzhou, Zhejiang, China:
- The 9th China Valve City · Longwan International Valve Exhibition, March 12-14, 2027, at the Wenzhou International Convention & Exhibition Center in Wenzhou, Zhejiang, China.
- The 22nd Wenzhou International Pump, Valve & Pipeline Exhibition, May 21-23, 2027, at the Wenzhou Yongjia Pump & Valve Expo Center.
Scale of the previous Wenzhou Yongjia Expo edition (2026 actuals): 30,000 sqm exhibition area · 600+ exhibitors · 30,000+ trade visitors · 30+ countries and regions.
Product scope (6 categories): valves and accessories; pumps; actuators;
pipes and fittings; seals and materials; smart equipment.
Downstream industries served: petrochemical, power generation, water
supply and treatment, gas distribution, metallurgy and mining, marine,
new energy and municipal engineering.
Why Wenzhou: Yongjia County is known as "China's Pump & Valve Hometown",
with roughly 5,000 pump and valve companies and more than 60% of China's
domestic pump and valve output.
Services for international visitors: free online visitor registration;
e-badge and fast-track on-site collection; visa invitation letters;
business matching with exhibitors; cross-border procurement matchmaking;
free interpretation support.
Organizer: PVPeW Organizing Committee / Wenzhou Jinying Media Co., Ltd.
Hotline: +86-400-0577-686. Email: Lily@valve-expo.com; Daisy@valve-expo.com.
Website: https://valve-expo.com (English).
Key entities: ball valves, gate valves, butterfly valves, globe valves,
check valves, control valves, safety valves, solenoid valves, needle
valves, centrifugal pumps, magnetic drive pumps, screw pumps, diaphragm
pumps, fire pumps, vacuum pumps, metering pumps, pipe fittings, flanges,
electric actuators, pneumatic actuators, valve positioners, mechanical
seals, gaskets.
(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.
