Zamzam Plastic Industrial Company (ZPI) :

Zamzam Plastic Industrial company (ZPI) is the largest manufacturer of standard polyethylene pipe and fitting , according to the national & international standards , including the quality system of ISO 9001-2000 for its products.

ZPI has started its activities since 1983 , the head office is located in Tehran , I. R. of Iran , with its manufacturing and production plants strategically are located throughout the country , including :
- Mashhad
- Zanjan
- Sanandaj
- Ahwaz
- Iranshahr

ZPI has also established its production plants in Turkmenistan in order to fulfil the need of the central Asian's market.

ZPI is involved almost in different aspects of water , irrigation , sewerage , telecommunication and gas supplies both for the national and international markets. These capabilities comes from the strategic vision of ZPI in order to remain stronger and maintain its outstanding shares of market which has led the company to fully enjoy from its remarkable in-house research and development (R&D) , technical and manufacturing division , accredited laboratory as well as marketing , administration and the management , enabling the company to be considered as the number one in the country and leaving narrower room for the competitors.

ZPI company have developed advance facilities with a production capacity of 30000 M/T of PE pipe and 1500 M/T of fittings per annual utilizing the German and Canadian Technologies.

ZPI has diversified its products and almost more than 100 types of pipes and 250 types of fittings pertaining size from 20 mm up to 400 mm in 8 different pressures capacities such as (2.5 , 3.2 , 4 , 6.3 , 8 , 10 , 16 , and 20 Bar) , and fitting size up to 355 mm.

ZPI is producing quality assured and approved products , based upon its strict criteria and this is why both raw materials and the finished products should meet not only the company's standards but also the national and international standard.

Polyethylene materials HDPE , (PE63 , PE80 , PE100) , the grade of the pipe is also adjusted to national and international standards of (ISIRI 1331) , DIN 8074 of Germany and under supervision of the company's quality control system meeting the DIN , EN , ISO 9001-2000 and also irrigation , pipe (PE40) , and water dripping products with the highest quality materials specially designated for these products according to ISO 8779.

Fitting products of ZIP company for irrigating and water supply are produced in two forms of compression , up to size of 110 mm and butt welded 355 mm.

Gas pipe from the size 20 mm , SDR11 adjusted to the Iranian gas standard , (IGS) and international standard of EN 1555 , with highest quality polyethylene materials.

Sewage polyethylene pipes from the size of DN 200 mm up to 3000 mm , both with spiral and corrugated technologies , adjusted to the international standard including of DIN 16961 & EN 13476-1 are also produces by ZPI.