water supply and drainage engineering solutions

In building water supply and drainage system, HVAC and industrial fluid transportation, PPR (polypropylene កូប៉ូលីម័រចៃដន្យ) pipe and fitting has become the mainstream choice for its corrosion resistance, anti-scaling, long life and other characteristics. ទោះយ៉ាងណាក៏ដោយ, an…