STP is a manufacturing group specialized in the production fittings and valves made plastic PE, PP, PVC and ABS, along with equipment and accessories for supplying the markets of water supply, and treatment, irrigation and construction.

STP is leading an overseas marketing and distribution over 70 countries worldwide with a reputation of proved quality and service.

Our products, branded, STP and HYDRODIF have been tested and duly approved by the most demanding international laboratories and comply with the highest performance standards.