Harbin Donggao New Type Pipe Co., Ltd. is a wholly-owned subsidiary of Heilongjiang Development Co., LTD. (Stock code 601188), formerly known as Dalian Donggao New Type Pipe Co., LTD。Founded in 2000, it is now registered in Yangsheng Industrial Zone, Liming Street, Xiangfang District, Harbin City, with a registered capital of 50 million yuan and a paid-in capital of 80 million yuan. It has two production bases in Harbin and Dalian, and the Harbin base covers an area of 40,000 square meters, with 10,000 square meters of standard factory buildings and office buildings。

The company is one of the first domestic manufacturers to introduce the patented technology and equipment of German Kra company and achieve industrialization，And as early as 2002 passed the ISO9001:2000 international quality system certification and high-tech enterprise identification，It is a national standard participating unit，It is also a wholly-owned subsidiary of the only state-owned listed company in the domestic production of klaas。

The company now has 13 production lines of various kinds of water supply and drainage pipes, including 2 production lines of klaas pipe, 5 production lines of hollow wall structure pipe, 2 production lines of wire mesh skeleton composite pressure pipe and 4 production lines of polyethylene double-wall corrugated cluster cable pipe, with an annual output of 20,000 tons of various pipes。Product line water supply pipe specifications from DN20 to DN1200, drainage pipe specifications from DN300 to DN4000, to achieve full product coverage。Products are widely used in municipal construction, sewage treatment, agricultural irrigation, railway and road Bridges and culverts, pharmaceutical, printing and dyeing, nuclear power, thermal power, reclamation wharf, mine tailings discharge and other fields。

The plastic pipe, pipe fittings and pipe products produced by the company have been sold to more than 20 provinces, municipalities and autonomous regions across the country, and achieved zero export breakthrough in 2011。The high density polyethylene winding reinforced pipe produced by the company has successfully entered the African market, beating many competitors in the construction of infrastructure pipe network project in Botswana, and the company's products and services have been praised at home and abroad。 "Donggao Pipe" has become a famous brand in China's drainage pipe products。

Donggao pipe will, as always, uphold the tenet of honest man, solid pipe, unlimited sincerity and eternal service，Design and manufacture of water supply and drainage plastic and composite pipe products，To continuously enhance the core competitiveness and market influence of enterprises，The benefits of the company to the majority of users，Keep pace with The Times with friends from all over the world，rescale，Stride forward to a better future!