News
Factory updates from Tianjin, plus practical borehole pump guides written by our engineers — selection, sizing, pricing and buying advice for importers, drillers and project buyers.
Technical Guides
Step-by-step guides for choosing, sizing and buying borehole pumps.
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What Is a Sewage Cutter Pump? How Cutting Systems Prevent Clogs
Sewage is rarely just dirty water. In real pits and lift stations it carries rags, wet wipes, plastic bags, sanitary items, and…
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Borehole Pump Maintenance Schedule: What to Check and When
A borehole pump works out of sight, dozens of meters underground. That is why failures feel sudden — but they almost never…
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Borehole Pumps for Community Water Supply Projects: A Buyer’s Checklist
A buyer’s checklist for community water supply projects: sizing by population, backup strategies, spares planning, and tender-ready certification documents.
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Borehole Pump Protection: Dry-Run Detection, Control Panels and How to Choose
Dry-run protection is not the same as electrical protection. How level and underload detection work, restart logic, and how to specify a…
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Borehole Pump Not Working? A Troubleshooting Guide (Symptom → Cause → Fix)
Match each borehole pump symptom to its likely cause: no water, low flow, frequent starts, tripping, sandy water, noise — with field…
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Single Phase vs Three Phase Borehole Pumps: A Buyer’s Guide for African Power Grids
Single-phase or three-phase? How to match a borehole pump to your site’s real power supply, protect the motor, and when to order…
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Borehole Pump for Farm Irrigation: How to Size a Pump for Your Fields
Size a borehole pump for farm irrigation: net vs gross water need, drip vs sprinkler pressure, a worked 10 ha example, and…
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What Size Borehole Pump Do I Need? (Quick Reference for 150–400 mm Wells)
Quick sizing reference for 150–400 mm wells: match well diameter to pump series, read QJ model numbers, and find candidate models in…
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Buying Borehole Pumps from China: An Importer’s Factory Evaluation Checklist
An importer’s checklist for evaluating Chinese borehole pump manufacturers: product range, testing, customization, certifications, and the red flags to walk away from.
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Borehole Pump Prices: What Drives the Cost (and How to Get a Factory Quote)
What actually drives borehole pump prices — materials, motor power, stages and cable — and how to get an accurate factory quote…
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Well Depth Is Not Pump Head: How to Calculate TDH for a Borehole Pump (With Worked Example)
Well depth is not pump head. A step-by-step TDH calculation with a worked example: static and dynamic water levels, friction losses and…
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How to Choose a Borehole Pump: 5 Parameters You Must Know Before Buying
The 5 parameters that decide a correct borehole pump selection: flow, total dynamic head, well diameter, water quality and power supply —…
Factory News
Project shipments, factory acceptance tests and company updates.
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Ganquan Bidirectional Pumps Pass Factory Acceptance for Deqing
Ganquan’s bidirectional tubular pumps passed joint factory acceptance for Xincheng South Sluice and Pumping Station in Deqing, Zhejiang. Each unit is designed…
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Ganquan Ships Six Full Tubular Pumps for Greater Bay Area Project
In March 2020, Ganquan dispatched six full tubular submersible pump units for a Greater Bay Area project. Each unit weighed 35 tonnes…
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Four 900 kW QGWZ Pumps Pass Factory Acceptance for Taishan
Four 900 kW QGWZ full tubular submersible pumps passed joint factory acceptance for the Taishan water management project in Guangdong. The review…
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