Engineered for maximizing airflow velocity and structural reliability in Bioko Norte and continental Litoral farming zones.
Equatorial Guinea, consisting of the Bioko volcanic island and the continental Rio Muni region, experiences a distinct tropical rainforest climate (Köppen: Af). Year-round average temperatures exceeding 26°C are paired with high relative humidity levels, often fluctuating between 80% and 95%. This persistent thermal saturation imposes immense environmental strain on livestock systems, primarily poultry and swine facilities, as well as manufacturing centers in Malabo and Bata.
In agricultural operations, excessive heat and humidity impair the biological cooling mechanisms of livestock. In chickens and pigs, which lack functioning sweat glands, convective heat loss relies entirely on air velocity. Without sufficient mechanical ventilation to disrupt the thermal boundary layer, animals suffer severe heat stress, leading to decreased feed conversion ratios (FCR), compromised immune functions, and elevated mortality rates.
Recent national infrastructure plans and agricultural diversification initiatives emphasize local food production and poultry security. Implementing high-volume, low-speed (HVLS) and structural livestock wall fans is central to stabilizing these agricultural microclimates, turning mechanical ventilation into an essential production asset.
The ventilation sector is transitioning from traditional gear-driven systems to Permanent Magnet Synchronous Motor (PMSM) direct-drive technology. Conventional induction motors with gearboxes are susceptible to mechanical wear, oil leaks, and high energy transmission losses, which are worsened by Equatorial Guinea’s warm, corrosive, and salt-laden coastal air.
In contrast, PMSM systems operate via direct drive, removing the gearbox to eliminate mechanical wear and friction losses. They offer several distinct advantages:
Suzhou Liangzhi Electrical Technology Co., Ltd. is a leading high-tech manufacturer specializing in permanent magnet motors and large-scale industrial ventilation systems.
Established in March 2018, Suzhou Liangzhi Electrical Technology Co., Ltd. committed to the intensive research, development, and manufacturing of high-efficiency Permanent Magnet Synchronous Motors (PMSM) and High-Volume, Low-Speed (HVLS) fans. With over seven years of specialized engineering experience, the company's proprietary motor design and advanced electronic controllers deliver optimal air movement at low energy consumption levels.
Our core mission is to provide highly reliable, energy-efficient, and affordable industrial ventilation solutions to meet demanding operational challenges worldwide. By manufacturing both the electrical drive system and the aerodynamic fan assemblies in-house, we guarantee precise system integration, high performance, and long-term durability.
Our consumer brand, Aloe Fans, represents this dedication to high quality and natural cooling. Certified under key international standards, including CE, EMC, and LVD, Aloe Fans deliver clean, steady, and high-efficiency air cooling across manufacturing warehouses, agricultural barns, and logistics centers.
China Industry 4.0 Integration: Our production facility uses high-precision automated winding systems, computerized balancing rigs, and comprehensive quality assurance testing setups. This direct control over the supply chain protects our clients from component delivery delays and guarantees steady product quality.
For buyers in Equatorial Guinea and the broader Central African region, this integration offers a reliable supply of high-spec machinery, customized electrical setups (supporting standard 380V-415V and custom single-phase variations), and ready access to spare parts.
Tailoring air movement configurations to match local industrial, commercial, and agricultural facilities in Equatorial Guinea.
Providing high-velocity air movement at animal level in Litoral poultry barns to assist convective heat loss and reduce humidity, keeping litter dry and controlling ammonia buildup.
Installing large HVLS fans in Malabo Port warehouses to generate constant airflow, protecting stored food, agricultural inputs, and sensitive trade goods from moisture damage.
Delivering high-volume fresh air circulation in Bata metalworking and assembly plants to lower perceived temperatures, improve worker safety, and boost productivity.
Our manufacturing processes and PMSM fan components comply with leading international quality and safety benchmarks.












From engineering consulting and site layout design to global logistics and after-sales support.
We offer live video tours of our automated production lines and motor performance testing benches, providing full transparency before order placement.
Our engineering team designs custom air cooling and ventilation layouts, tailored to the specific dimensions of your livestock facilities.
Our products include a comprehensive 3-year warranty, with free replacement parts and online video guides to support your technical teams.
High-torque direct-drive motors, custom wall fans, and large ceiling units designed for harsh environments.
Expert engineering answers addressing agricultural ventilation, energy efficiency, and operational challenges in humid tropical climates.
In tropical zones with high relative humidity, such as Bata and Malabo, livestock cannot rely on evaporation (like sweating or panting) to release metabolic heat. High humidity prevents moisture from evaporating from the skin.
By producing steady, high-velocity airflow (between 1.5 to 2.5 m/s), our fans remove the warm, saturated boundary layer surrounding the animal's body. This process accelerates heat transfer, lowers the Temperature-Humidity Index (THI), reduces thermal stress, and maintains normal feeding rates.
Traditional gear-driven fans rely on internal seals and oil lubrication, which are highly susceptible to wear when exposed to humid, salty coastal air. Gearbox failures often lead to oil leaks, which can contaminate livestock pens.
Our PMSM (Permanent Magnet Synchronous Motor) systems use a direct-drive design that eliminates the gearbox, oil seals, and wear parts. The fully sealed motor casing prevents moisture ingress, while direct electronic control ensures high efficiency, low operating temperatures, and maintenance-free reliability.
We determine layout configurations based on building height, roof support capacity, and floor plan layouts. Generally, a single 7.3-meter (24 ft) HVLS fan can cover up to 1,500 square meters of floor space.
Our engineers use airflow simulation models to place fans in locations that prevent stagnant zones, bypass structural columns, and maintain steady air distribution. For humid climates like Equatorial Guinea's, we recommend a layout that achieves complete air recirculation every 2 to 3 minutes.
We design and construct controllers to operate reliably on standard regional grids, including 3-phase 380V-415V (50Hz) and single-phase 220V setups.
Our integrated controllers feature protective sensors that guard against voltage drops and power surges, helping prevent motor damage from local grid fluctuations.
Buying directly from Suzhou Liangzhi Electrical Technology Co., Ltd. cuts out intermediary margins. By managing both motor fabrication and fan assembly in-house, we provide competitive factory pricing.
We optimize export packaging by packing blades and motor housings into modular crates to minimize shipping volume, which lowers freight and import duty costs for shipping to the ports of Malabo or Bata.