# Aquastrata – Deep Well Pump Factory > Aquastrata (deep-well-pump-factory.com) is the export brand of Shanghai Mars Industrial Co., Ltd., a China-based manufacturer of deep well submersible pumps, solar water pumps, submersible & sewage pumps, surface & booster pumps, swimming pool pumps and AC electric motors. OEM/private label, custom voltage 110–440 V 50/60 Hz, CE marked pumps, 1-year warranty, factory-direct export via Shanghai/Ningbo. - Contact: WhatsApp/Tel +86 176 2154 1688, email inquiry@deep-well-pump-factory.com - Catalogue size: 128 models in 6 families - Response time: within one working day (GMT+8) ## Key pages - [Home](https://www.deep-well-pump-factory.com/): overview, pump finder calculator, FAQ - [All products](https://www.deep-well-pump-factory.com/products/): full filterable catalogue - [About](https://www.deep-well-pump-factory.com/about/): company facts and quality system - [Projects](https://www.deep-well-pump-factory.com/projects/): application case studies - [Blog](https://www.deep-well-pump-factory.com/blog/): engineering guides - [Contact](https://www.deep-well-pump-factory.com/contact/): quotation form, WhatsApp, phone, email - [Full catalogue for LLMs](https://www.deep-well-pump-factory.com/llms-full.txt): every model with specifications ## Product families - [Deep Well Submersible Pumps](https://www.deep-well-pump-factory.com/products/deep-well-submersible-pumps/): 3", 4" and 6" borehole pumps from 0.37 kW to 18.5 kW for irrigation, water supply and pressure boosting. - [Solar Water Pumps](https://www.deep-well-pump-factory.com/products/solar-water-pumps/): Brushless DC and hybrid AC/DC solar borehole pumps with MPPT controllers for off-grid water. - [Submersible & Sewage Pumps](https://www.deep-well-pump-factory.com/products/submersible-sewage-pumps/): Clean-water QDX pumps, stainless sewage, sludge and grinder pumps with float switches. - [Surface & Booster Pumps](https://www.deep-well-pump-factory.com/products/surface-booster-pumps/): Peripheral, jet, centrifugal and multistage pumps for homes, farms and light industry. - [Swimming Pool Pumps](https://www.deep-well-pump-factory.com/products/swimming-pool-pumps/): 0.75–7.5 HP pool circulation pumps, variable speed and solar DC models. - [Electric Motors](https://www.deep-well-pump-factory.com/products/electric-motors/): Single-phase and three-phase AC induction motors, 0.18–18.5 kW, IE1–IE3. ## Engineering guides - [How to Size a Submersible Borehole Pump: Flow, Head and Power Explained](https://www.deep-well-pump-factory.com/blog/how-to-size-a-submersible-borehole-pump/): A step-by-step method to size a deep well submersible pump: calculate required flow, total dynamic head, motor power and cable, with a worked example. - [Solar Water Pump vs AC Pump: Cost, Performance and When Each Makes Sense](https://www.deep-well-pump-factory.com/blog/solar-water-pump-vs-ac-pump/): Compare solar DC pumps and grid or generator AC pumps on upfront cost, running cost, daily output and reliability, with a simple payback method. - [Stainless Steel vs Cast Iron vs Brass: Choosing Pump Materials for Your Water](https://www.deep-well-pump-factory.com/blog/stainless-steel-vs-cast-iron-pumps/): How pump body and impeller materials affect corrosion, sand resistance, cost and lifespan, and which material suits clean, sandy, saline or sewage water. - [Swimming Pool Pump Sizing and Maintenance: A Practical Guide](https://www.deep-well-pump-factory.com/blog/swimming-pool-pump-sizing-and-maintenance/): Calculate turnover rate and flow for a swimming pool pump, choose between fixed and variable speed, and follow a simple maintenance routine. - [Choosing a Submersible Sewage Pump: Impellers, Solids Size and Float Switches](https://www.deep-well-pump-factory.com/blog/choosing-a-sewage-submersible-pump/): How to choose between vortex, open and cutting-impeller sewage pumps, size for solids and head, and set up float switch control for a sump. - [Single-Phase vs Three-Phase Motors and IE Efficiency Classes](https://www.deep-well-pump-factory.com/blog/single-phase-vs-three-phase-motor-efficiency/): When to choose a single-phase or three-phase induction motor, how capacitor-start and dual-capacitor designs differ, and what IE1, IE2 and IE3 mean for running costs. ## Projects - [Solar drip irrigation for smallholder vegetable farms](https://www.deep-well-pump-factory.com/projects/solar-drip-irrigation-smallholder-farms/): Replacing diesel pumps with 4-inch brushless DC solar pumps to irrigate smallholder vegetable plots year-round. - [Borehole water supply for rural communities](https://www.deep-well-pump-factory.com/projects/village-borehole-water-supply/): Three-phase 4-inch and 6-inch stainless steel borehole pumps feeding elevated tanks for community tap stands. - [Pool circulation upgrade for a resort hotel](https://www.deep-well-pump-factory.com/projects/hotel-resort-pool-circulation/): Variable-speed and high-flow pool pumps replacing ageing fixed-speed units in a resort plant room. - [Site dewatering and sewage transfer for a construction contractor](https://www.deep-well-pump-factory.com/projects/construction-dewatering-sewage-transfer/): Stainless steel vortex sewage pumps and cutting-impeller pumps for excavation dewatering and site welfare sewage. - [Automatic pressure booster sets for residential developments](https://www.deep-well-pump-factory.com/projects/residential-pressure-booster-systems/): Jet booster pumps with pressure tanks and peripheral pumps delivering steady tap pressure in homes with weak mains supply. - [Centrifugal pump stations for greenhouse irrigation](https://www.deep-well-pump-factory.com/projects/greenhouse-irrigation-centrifugal-pumps/): 2-inch twin-impeller and multistage centrifugal pumps powering fertigation and misting in commercial greenhouses. ## Optional - [Sitemap](https://www.deep-well-pump-factory.com/sitemap.xml) - [RSS feed](https://www.deep-well-pump-factory.com/feed.xml) ## Agent tools Pages expose WebMCP tools (declarative forms and imperative tools): recommend_pump, filter_products, search_blog, submit_inquiry, request_quote, subscribe_newsletter, get_product_specs, add_to_inquiry_list, get_inquiry_list. Quotation requests can also be sent as an HTTP POST (form-encoded or JSON) to https://www.deep-well-pump-factory.com/api/inquiry with fields name, email, message, and optional company, country, phone, quantity, product.