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How to Choose Wire Sizes: 1.5/2.5/4/6mm² Explained
Standard sockets use 2.5mm², AC and kitchen need 4mm², main line at least 6mm² — based on 11 years of Guangzhou project experience.
Read More →German vs Chinese PPR Pipes: Is Import Worth It?
aquatherm 50-year warranty vs Rifeng cost-effectiveness. Full comparison on material, wall thickness, and warranty.
Read More →Guangzhou Old House Renovation: Must You Replace All Wires?
Pre-2000 homes likely have aluminum or 1.5mm² copper wire — unsafe for modern appliances. Here is why full replacement is recommended.
Read More →Bathroom Waterproofing: JS, K11, or Polyurethane?
JS is best value for bathrooms. K11 is versatile. Polyurethane for roofs. Plus: how many coats and how to test.
Read More →More articles coming soon. Or call +86 138-0242-1933 for direct advice.