wholesale manufacturer and supplier of plumbing bolts and screws we produce and supply plumbing bolts, screws, and studs compliant with tis 171 standards for pipe fastening. our product range includes threaded rods and washers designed specifically for mechanical couplings used in plumbing installations

wastewater and water supply system management   we provide management for wastewater and water supply systems, including the improvement of water systems in industrial plants.   water supply (potable/clean water) system management   consultation, design, and construction

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