Dianjian Valve Group Co.LTD. (referred to as "Dianjian Valve") was established in 2002, is a research and development, design, manufacturing, sales and service in one of the professional valve industry enterprises, the registered capital of 108 million yuan, the group headquarters is located in Lishui City, Zhejiang Province Liandu District, the total construction area of about 58000 square meters.

The group headquarters has five functional centers of human resources administration, marketing, technology research and development, quality management and financial management, under the jurisdiction of Power Construction Wenzhou, Jiangong valve, Power Construction Lishui, power Construction casting and power construction forging, with a total of about 350 employees (including 30 technical research and development personnel). The group has 17 utility model patents (including 7 Lishui Company), and is a qualified supplier and purchaser of Sinopec e-Pai. Powerconstruction Lishui Company won the title of Zhejiang Small and medium-sized Technology Enterprise in 2021. The company has excellent manufacturing equipment. With more than 200 sets of special equipment such as machining center, CNC lathe, milling machine, drilling machine, sawing machine, grinding machine, boring machine, super large vertical lathe, plasma spray welding, automatic submerged arc welding, automatic spraying, heat treatment furnace, the annual production capacity is about 40,000 tons.

Company test (inspection) inspection equipment advanced. The establishment of physical and chemical properties and non-destructive testing laboratory, with automatic spectrometer, analyzer, carbon and sulfur meter, hydraulic testing machine, impact testing machine, all kinds of hardness tester, thickness meter, various flaw detector, film development machine and coordinate measuring instrument, built pressure test center, intelligent valve torque, life test and pressure test equipment and flow test room.

The company's product specifications are complete. Our products include butterfly valve, ball valve, power station valve, gate valve, globe valve, check valve, plug valve, control valve, API valve, pipeline accessories, more than 30 varieties, more than 200 series and nearly 1,000 types of specifications. Products are produced in strict accordance with GB, JB, ISO, API, ANSI, BS, DIN, NF, JIS and other standards, nominal diameter DN15 ~ 3800mm (1/2"~152"), pressure 0.1MPa~42.0MPa(US standard 125Lb~2500Lb), The transmission mode has the handle, worm gear, electric, pneumatic, hydraulic and electro-hydraulic linkage, etc. The main material is cast iron, carbon steel, alloy steel, stainless steel, duplex steel, etc., the working temperature is -196°C~800°C. Widely used in petroleum, natural gas, petrochemical, chemical, coal chemical, electric power, metallurgy, fire, paper, medicine, heating and shipbuilding and other industries.

First-class products cannot be separated from scientific quality management and assurance system. The company has always adhered to the quality policy of "information management, quality and safety, meeting customers, continuous improvement" and strictly followed the requirements of ISO9001, ISO14001, OHSAS18001, API and TS system management and certification. Throughout the product development, design, procurement, manufacturing, inspection and sales of the entire business process. Equipped with a perfect after-sales service system and personnel, professional technical guidance, training, installation and commissioning of products, to ensure stable and reliable product quality, user satisfaction.

"To provide high-quality products and services for China's national industry" is the sacred historical mission of Power Construction. We unswervingly adhere to the development concept of "innovation, standardization, openness, sharing" and the business philosophy of "honesty and trustworthiness, innovation, technology leadership, win-win cooperation", earnestly practice the core values of "responsibility, innovation, integrity, win-win", and fully carry forward the spirit of "self-improvement, courage to exceed". We will be able to realize the great vision of "building first-class enterprises and creating excellent brands"!