In the unique microclimate of San Francisco, ranging from the fog-drenched coastal neighborhoods to the sun-exposed hills, selecting the right window system is critical. Foshan Primeval Doors Industry Co., Ltd. brings over 11 years of engineering excellence to the Bay Area. We specialize in high-performance single-hung and double-hung windows designed to withstand the Pacific coastal salt spray and temperature fluctuations.
Serving North America with 12,000 m² of precision manufacturing.
Strict IQC-IPQC-FQC protocols ensuring thermal and corrosion resistance.
38 engineers driving 75+ product innovations annually.
Raw Material
Profile Cutting
Milling Tenon
PunchingThe San Francisco construction market is shifting toward net-zero building standards. Double-hung windows offer superior ventilation control—essential for the "Indian Summer" days in the Mission or Sunset districts. Our technological roadmap focuses on dual-pane glazing and heavy-duty weatherproofing to address the specific acoustic and thermal needs of urban San Francisco architecture.
Our products undergo rigorous salt-spray corrosion testing, ensuring longevity in coastal environments.
Profile Milling
Drilling/Milling
Frame Fan Assembly
Hardware Assembly
Product Commissioning
Packaging
Profile Machine
Milling Machine