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The Monument of Longgang: Recognition as the Sixth Batch of National “Little Giant” Enterprises

Longgang Pump Industry

Recently, the Shandong Provincial Department of Industry and Information Technology announced on the official website the sixth batch of “little giant”enterprise —entitled as newly emerged, specialized and innovative. With the completion of the publicity period, Yantai Longgang Pump Industry Co., Ltd. was identified as the sixth batch of national “little giant” enterprises. Longgang Pump industry is the leader in domestic […]

The Showcase of Technical Strength and Innovation: Our Honor in TatOilExpo-2024

In-depth Discussion

In late August, the refreshing breeze of golden autumn heralds TatOilExpo-2024 taking place from August 26-28, 2024. The chairman leads the Longgang delegation, showcasing our latest technological achievements and innovative solutions at the Expo. He engaged in meaningful discussions with industry leaders, partners, and potential clients worldwide. Mr. Oleg, Minister of Industry and Trade of the Republic of Tatarstan, visited the booth […]

Great News! Longgang Designated as a Shandong Provincial Postdoctoral Innovation Practice Base

Recently, the Shandong Provincial Department of Human Resources and Social Security issued the “Announcement on the List of Postdoctoral Innovation Practice Bases in Shandong Province (November 2025)”, in which Longgang was successfully recognized as a provincial-level postdoctoral innovation practice base. This recognition will inject robust momentum into the company’s efforts to accelerate and enhance technological […]

Solving Space and Installation Constraints in Tight Pump Rooms

offshore platforms

Industrial facilities such as petrochemical plants, offshore platforms, and modular systems are often plagued by space constraints. In tight pump rooms, limited floor space complicates the installation, operation, and maintenance of essential equipment. When upgrading existing infrastructure or expanding production capabilities, retrofitting new pumps into these environments becomes particularly difficult. These constraints demand compact yet […]

Refinery Process Pumping Challenges: Tackling High Heat and Corrosion

Refinery

Refinery sites rank among the toughest places for any mechanical equipment. The pumps that move fluids there deal with very high temperatures, aggressive chemicals, and sudden pressure changes every day. These difficult conditions come with the job when you handle crude oil distillation, catalytic cracking, or ethylene production. Take hot oil transfer as one clear […]

Maximizing Centrifugal Pump Efficiency for Safe Oil Transfer Operations

Oil Transfer Operations

Moving oil around, like raw crude or finished products, calls for the right gear. That’s because these liquids can be thick, prone to catching fire, and picky about heat. Good systems for shifting oil keep things running smoothly. They cut down on power use, too. Plus, they help dodge accidents that hurt people or the […]

How Large-Scale Plants Can Overcome High-Flow Cooling Water Pumping Issues

Large-Scale oil refinery

Cooling water setups are key in keeping temperatures steady in big factories like oil refineries and power stations. Good cooling gets rid of heat from machines and work processes. This keeps things safe and running well. But if high-flow cooling doesn’t work right, troubles pop up. Machines can get too hot and break. Or they […]

How to Troubleshoot Cavitation and Clogging in Chemical Pumps

Chemical Pumps

  The Criticality of Chemical Pump Reliability In any plant moving acids, solvents, slurries, or hot liquids around – whether it’s a refinery cracking unit, a fertilizer plant, or a coal-to-chemicals complex – the pumps have to work. When one goes down, the whole line stops, tanks back up, and suddenly you’re burning money by […]

How API pump casing design influences overall performance efficiency

LZA(OH1)-Single Stage Cantilever Centrifugal Pump

  Understanding API Pump Casing and Its Role What Is an API Pump Casing? An API pump casing serves as the chief frame that wraps and holds the inner bits of a centrifugal pump. It takes on several vital tasks: it traps the moving liquid, keeps pressure solid, steers the liquid ways, and guards the […]

Longgang Pump Industry: Shandong Provincial Enterprise Technology Center Accreditation Adds New Impetus to Innovation Engine!

On November 18, the Shandong Provincial Development and Reform Commission issued the “Notice on Publishing the List of Newly Recognized (32nd Batch) and All Provincial-Level Enterprise Technology Centers for 2025.” The Technology Center of Yantai Longgang Pump Industry Co., Ltd. has been successfully recognized, marking another significant milestone in the company’s development history! Provincial-level Enterprise […]