
High-bay comfort
Industrial rotors from 3 m to 7.3 m, IE5 PMSM, 1,700 m² stated coverage, noise under 38 dB.
Large-space cooling →Diamond builds PMSM HVLS ceiling fans, portable drum fans, wall exhausters and high-temperature axial fans for plants, warehouses, gyms, livestock sheds and drying kilns.
Organize indoor airflow, cut heating and cooling work, and keep people, animals and product in a livable microclimate. Factory area, ISO/CE marks and export-country counts are not printed on fjdiamond.com — they stay TBC.

Industrial rotors from 3 m to 7.3 m, IE5 PMSM, 1,700 m² stated coverage, noise under 38 dB.
Large-space cooling →
Class H axial fans rated to 130 °C ambient and 98% RH, including patent ZL201320208067.5 on the grain unit.
Drying airflow →
Movable drums with 28 m throw and 45° stand fans that ship ready to roll.
Floor HVLS →Every SKU that lived on fjdiamond.com is here, with the numbers that page actually printed.
PMSM external-rotor HVLS ceiling fan with aviation aluminum-magnesium blades for warehouses, workshops, malls, and livestock halls.
Specifications →
Smaller-diameter PMSM HVLS ceiling fan for shops, restaurants, gyms and mid-size halls.
Specifications →
Portable HVLS drum fan with 1–2 m blades, 28 m throw and IP55/IP66 protection.
Specifications →
Four-wheel industrial stand fan with 45° tilt, three sizes and IP55 protection.
Specifications →
Heavy-duty wall exhaust fan, 480–1530 mm, zinc-coated housing, auto shutter, blow or draw.
Specifications →
High-temperature axial drying fan for kilns, paint shops, tobacco and pharmaceutical drying.
Specifications →
Full-aluminum wall-type kiln fan for high-temperature, high-humidity wood drying.
Specifications →
Diagonal-flow grain drying fan. Utility-model patent ZL201320208067.5.
Specifications →
CBF series explosion-proof axial fan, ExdIIBT4, GB3836.2 / IEC60079.
Specifications →
Containerised diesel generator set powered by a Yuchai engine, listed from 500–2000 kW.
Specifications →A separate landing page on the same domain says “10+ years.” That conflict is TBC. Sister-site certificate lists are not copied here.
Based at Tianban Industry Area NO.168, Xibing, Fuan, Fujian, China. The factory page on the old site shows stator hipot testing, blade dynamic balance, welding manipulators, housing finishing, laser cutting, automatic welding, CNC spinning and a high-pressure spray line.
Contact the same desk the old site published: [email protected] and WhatsApp +86 18742465373.
Factory and equipment