About us

       Jiangsu Jiulong Valve Manufacturing Co., Ltd. was founded in the 1950s. In 2001, it was transformed from a local state-owned enterprise into a joint-stock enterprise. The company covers an area of 135000 square meters, with 6 modern production workshops, a construction area of 88500 square meters, and more than 28000 square meters of supporting facilities such as science and technology research and development center building, expert apartment and staff apartment. The company has more than 800 sets of advanced manufacturing equipment and various perfect testing facilities, with an annual output of more than 200000 valves and a production capacity of US $500 million.

      Jiulong valve is the first to pass ISO9001 and apiq1 quality system certification, ISO14001 environmental management certification and iso45001 occupational health and safety management system certification in China; it has passed API 6D and API in product standard and system certification respectively 6a, API600, API602, api608 and api594 product standard certification, EU CE certification, customs union EAC certification, pressure component manufacturing license TS certification, and

AAA measurement management system certification has been obtained; the company's laboratory has passed the National Laboratory Accreditation (CNAs accreditation). The product has obtained 4 invention patents and 12 utility model patents. It is a national high-tech enterprise, leading enterprise of spark in Jiangsu Province, AAA credit enterprise, first-class self export enterprise and enterprise technology center of Jiangsu Province.


          For many years, Jiulong company has been a member enterprise and a qualified supplier of domestic centralized procurement and foreign contracted projects of PetroChina, Sinopec, CNOOC, CPECC and Chuanqing engineering company. Network supplier qualification of BP oil, Petronas, Thai oil, Norway, Denmark, Algerian oil, Petronas, Iraq, UAE, Kuwait and other foreign companies. In the past 30 years, the company's export products accounted for 60% of the total sales.

management philosophy Safety concept
Environmental protection concept and quality concept
Business philosophy development philosophy
Corporate culture concept
National Laboratory of China National Accreditation
Committee for conformity assessment
(ISO / iec17025-cnas accreditation certificate)
The full welded ball valve successfully studied in Jiulong valve
Export to Iraq is the only one in the world
I. enterprises producing ultra high pressure and large caliber
plug valves
Founded in local state-owned enterprises
Main production and industrial machinery products

Realize the products going abroad and provide high quality valves to foreign oil, petrochemical and natural gas industries
Serving the domestic petroleum and petrochemical industry
The main production of valves and accessories manufacturing

Transformation of enterprise system from
local state owned enterprises to private enterprises
Change to the joint stock system

Become the only ultra-high pressure and ultra-low temperature valve in China Our company has been certified as a national high tech enterprise
Build new plant and add new equipment and start operation
Certified by "Jiangsu Engineering Technology Research Center"
New R & D center building in new factory
April 2018
January 2019

The oil field project of Abu Dhabi oil company undertaken by British petrofac company implements a batch of shell standard top mounted ball valves and ultra-high pressure flat valves with diameters from 3 "to 24" and pressures from 1500Lb to 2500lb. The whole production process is subject to the shell standard supervision requirements, and the product quality reputation is very good.

The state one belt, one road, PetroChina contracts for Abu Dhabi petrochemical Babu refining integrated integrated facility project, a super high and low special 625, 825 material ball valve, a caliber from 1 inches -16 inches, and pressure from 150Lb-2500Lb. The whole production process is subject to the shell standard supervision requirements, and the product quality reputation is very good.

November 2014

Certified by "Jiangsu enterprise technology center"

August 2015
R & D and production of large caliber all welded ball valve, such as 42 inch, 48 Inch, pressure 600Lb, 900lb, by the National Energy Administration of China Machinery Industry Federation of scientific and technological achievements appraisal, one stroke success, in the industry leading level
During the construction of Shanggu natural gas treatment plant in Changqing Oilfield, the special ultra-low temperature valves with pressure class of 150-600lb and caliber of 1 / 2 "to 16" were provided. The supplied valves were supplied on time within the time specified in the contract. According to the customer's on-site feedback, the ball valves provided by Jiangsu Jiulong valve had beautiful appearance, flexible opening and closing, good after-sales service and timely guarantee, and were well received The customer was finally praised.
December 2020
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+86-515-8655  9900  
888 Jianjiang Road, jiulongkou Town, Jianhu County

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