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Dazhong Copper Industry Co., Ltd. is located in Taizhou of China. Since inception in 1997,we have specialized in manufacturing and supplying a wide range of valves & pipe fittings applied in industries, oil & gas, chemical, petrochemical, food, beverage and refinery, etc.

OUR own plant is comprised of machine lines, assembly lines, quality control & verification and customer service departments. Well-trained and experienced technicians guarantee the precision and optimize work-efficiency to provide timely delivery, best quality and competitive price for clients.

HONOR "Zhengzhong" and "MD" brand. The Square Ball Valve has won The Golden Prize of International Invention in 2000. Access to more than ten kinds of Chinese invention patents, as the first patent. Since 2008 become China Quality Prestige AAA Company.

FOR further approval of quality, our own plant has been accredited with ISO9001:2000 and GB/T19001-2008 certification.

After the national Patent Office years of actual audit, Dazhong copper invented a magnetic lock "globe" Won the national invention patent certificate.
Dazhong copper signs increased use of producing goods categories (11) for approval, Started a new PPR gate, new PPR check valve, the new type of PP-R The innovation of the temperature control valve research and development, and to apply for the national patent.
Accumulated many years of manufacturing experience, through strict examination of engineering practicability Test, consumer's approval, be included in the quality supervision department "The national quality prestige AAA enterprise".
Products in zhejiang province through the enterprise product standards and registration, in the same year Get the capital airport construction project valve supplier qualification.
Dazhong copper series products of the valve was selected as "zhejiang famous propaganda",The establishment of ISO9001 quality management system certification, the same year, obtain Chinese quality certification center review, and obtain the certificate.certificate.
The Dazhong copper valve series was identified as brand "High quality valve product in zhejiang province"
Logo registration, completed by the OEM The process of the independent brand development.
Square ball valve to obtain the national patent, won the international invention at the same time The gold medal. And register sign and start to processing raw Production to independent brand development and production
Mr Dong take righteousness begins with a copper valve mold production, in order As the foundation, established the yuhuan county Dazhong copper manufacture Limited company. That same year, invented the square ball valve, and shen Please the national patent.

Dazhong Copper Industry Co., Ltd.