ABOUT US

Founded in 2002, DonJine Valve Co., Ltd. is an international entity enterprise that integrates design, research and development, production, sales, and import-export trade in Wenzhou, China.  

We have obtained numerous certifications, including ISO 9001 Quality Management System Certification, ISO 14001 Environmental Management System Certification, ISO 45001 Occupational Health and Safety Management Certification, TS Certification, and CE Certification...

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Own factory

Introduce advanced technology and organize research and development and production according to customer requirements and standards

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Processing customization

Excellent valve body with flexible opening, good sealing performance, complete specifications, integrity, sufficient supply of goods, and high quality

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Spot wholesale

Excellent craftsmanship, reliable quality, prompt delivery, adherence to conscientious quality, and pursuit of reliable service

NEWS

Provide you with timely information

2023-07-01

Constructing a "Large Production" Model for PetroChina Logging to Improve Guarantee Efficiency

Constructing a "Large Production" Model for PetroChina Logging to Improve Guarantee Efficiency

Constructing a "Large Production" Model for PetroChina Logging to Improve Guarantee Efficiency

PetroChina Logging fully leverages its own advantages, organizes production "centered around the well", promotes resource sharing mechanisms, and achieves Key well area joint guarantee, key equipment sharing, and the construction of a "large-scale production" organizational model to ensure high-quality exploration and efficient development of oil and gas fields.

2023-03-23

PetroChina carbon neutrality consumer service activity pilot launched

PetroChina carbon neutrality consumer service activity pilot launched

PetroChina carbon neutrality consumer service activity pilot launched

On November 4, the carbon neutrality consumption service activity with the theme of "helping carbon neutrality make the earth greener" was launched in Beijing, marking that PetroChina became the first refined oil retail enterprise in the industry to provide carbon neutrality services in the field of personal consumption of fossil energy for car owners. With the proposal and in-depth promotion of China's "dual carbon" goals, and in accordance with the overall deployment of the group company's "clean substitution, strategic succession, and green transformation" three steps, China Petroleum Sales Company continues to accelerate the pace of green and low-carbon transformation and development, vigorously develop new energy business, and actively construct a new pattern of complementary energy. The launch of this pilot activity is an important measure to learn and implement the spirit of the 20th National Congress of the Communist Party of China through practical actions, and continuously promote the high-quality transformation and development of sales business.

2023-03-23

China South Korea Petrochemical Successfully Produced HCPP High end Polypropylene Products

China South Korea Petrochemical Successfully Produced HCPP High end Polypropylene Products

China South Korea Petrochemical Successfully Produced HCPP High end Polypropylene Products

On November 20th, China South Korea Petrochemical Polyolefin Department II successfully produced the HCPP series of high-end polypropylene products, and the product performance indicators met the standards accurate Guided by the spirit of the 20th National Congress of the Communist Party of China, China and South Korea Petrochemical firmly adhere to independent innovation, bravely climb the technological peak, and promote the development of new products. HCPP series The product is a key project for the high-end introduction of the company's "Five Major Strategies" products, with characteristics such as heat resistance, high hardness, high fluidity, and low volatility Point, mainly used in fields such as automobiles, household appliances, electronic industrial components, etc.