ITOP is a enterprise which is engaged in the research and manufacturing of plumbing tools, we have more than 10 years of experience in tool industry, offering OEM for more than 50companies all of the world, we will design you a perfect tool according to your pipe and fitting. Itop persists in constant innovation and improvement on all plumbing tools, striving to achieve perfection, try every means to reduce the labor intensity, guarantee piping system without any leakage. We have dozens of design patents, professional research and development team, and we will make you a perfect tool as long as you offer us an opportunity.