DHPI, as main-board listed company at Shanghai Stock Exchange
It is a National high-tech enterprise focusing on pipeline system R&D, fabrication, and service
The patents which DHPI own and applied are
The honor which DHPI won are
The R&D engineers who DHPI enjoy are
The customers who DHPI serviced are
And the total length of DHPI pipeline reach to 398,000 kilometers, equivalent to the distance between earth and moon.
We devote ourselves to build the largest manufacturing base of intelligent pipeline system in China.
Ni Liying Chairman
To provide an integrated solution of safe, pro-environmental, efficient pipeline system for every customer
DHPI own three main industry base, including pipe, fitting, and new material,
And three main product series, including steel-plastic composite pipe system, HDPE pipe system, and polyolefin material.
Zhongtong Plastic Indsutry
High-class supplier of raw plastic material
Shandong Zhongtong Plastic Industry ltd, devoted to provide integrated products and service for plastic pipe manufacturers since 3th Feb 2012, already became the strategic partner of many renowned petrochemical companies, such as PetroChina, Sinopec, Borouge, Basel, Saber, Qatar Phillips, KPIC, Hyosung, SK, LG, Daelim, SCG etc.
Zhongtong Plastic Industry set up warehouses around China for 24-hour service, such as Beijing, Tianjin, Qingdao, Shanghai, Zhibo, Qingzhou, Jinan, Linyi etc., and provide one-stop service by abundant material advantage for solving logistics issues for every customer.
Kainuo Pipe Industry
Integrated solution provider of plastic pipeline
Shandong Kainuo Pipe Industry ltd, started from 17th Mar 2010 with registered capital 100 million RMB, is a modern high-tech enterprise focusing on pipeline R&D, manufacturing, sale, and installation. It owns five main pipeline system solutions, two main series and nearly one thousand products, provide all-around related products of pipeline system and technology solution. The digital intelligent piping system, including SRTP, PE, PPR, coated steel pipes & fittings, are well applied in infrastructure, gas, mining, power, and construction, as one of main suppliers for national strategic engineering, including expressway, high-speed train, potable water for people, airport, brine conveying, stadium, mining etc.
Professional engineering installation servicer of plastic pipeline
Shandong Donghong Pipeline Engineering ltd, specialize in pipeline installation, clearing, pressure test, drying, replacement, cathodic protection, hydraulic protection, cables laying, lined layer repairing, CIPP technology, PCM audio inspection etc. for kinds of industry, such as mining, oil field, civilian, infrastructure since 27th May 2011. It owns strong technology force, advanced machines, sound HSE system, and 168 employees, including 18 engineers, 10 persons with high titles, 5 persons with Builder's certification grade 2; and there are 52 engineering equipments, 12 vehicles, 240 weld equipments, 14 measuring and testing instruments, enjoying 100% equipment usability. Donghong Pipeline won consistent praise from customers by always supporting high-quality engineering.