Weld-On makes the world's most reliable plastic pipe joining products for demanding professionals who know trust can't be compromised.For 70+ years, we've been the global leader in solvent cement technology, unmatched not only in research, development, and innovation, but also customer support and training.Our products have proven to be unquestionably dependable in exceptional projects around the planet—from the tallest skyscrapers to irrigation systems feeding families to high-tech factories and beyond. And we're proud to say they're made in the USA.