Yea Der Lih was founded in 2002, the main products are reverse osmosis water machine, water purification equipments components, PE (RO) pipes and fittings, Flow Restrictor,cement template in construction field, distribution engineering pipes, fast-connecting joint for corrugated pipes and fittings, decoration with wood trim plastic foam and all kinds of PVC pipes and fittings. It is all in one production process from designing drawing, mold manufacturing and products, we are always keep on developing innovative, meanwhile, we are also have every kind of new invention patents to all over the world, Taiwan has a good reputation and good brand name for all of these fantastic products. Welcome to contact us soon.