Patent Certificate Issued for Involute Butterfly Control Valve
- Dec 02,24
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A patent certificate (ZL201610246292.6) for the invention of Involute Butterfly Control Valve was issued by the Chinese State Patent Office on January 2, 2018.
The Structure and Feature of Plug Valve
- Dec 02,24
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Plug valve is a closed or plunger-shaped rotary valve to close or open by turning 90 degrees so that the port on the valve plug can be same or separate directio
Datong Reciprocity Group Was Honored Chinese Highest Level 4A-class Industry Group
- Dec 02,24
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On the morning of January 4, 2018, Datong Reciprocity Group CO., LTD. was honored "Intelligent manufacturing technology center of high-end valves in petrochemic
Dervos's 2017 Year-end Party
- Dec 02,24
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How time flies! I still remember the year-end party in 2016, and here it comes again! To recognize employees' hard working for the whole year, each year bef
Welcome Chinese New Year-Lunar Year of Dog
- Dec 02,24
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Since Chinese New Year is coming, the most important traditional festival throughout the year in China, our office will be closed from 2018.02.12 to 2018.02.26.
DERVOS Is Authorized Oversea Sales Agent By Datong Reciprocity Group
- Dec 02,24
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Datong Reciprocity Group was established in 2016 and covers a whole area of 173,420 m2 including 104,000 m2 of building area. It has dozens of high-precision CN
Petrofac Awarded Contract for Khazzan Phase 2 in Oman
- Dec 02,24
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Petrofac has been awarded a lump-sum contract worth approximately $800 million by BP for the Phase 2 central processing facility (CPF) at the Khazzan Phase 2 (G
JIS Ball Valve with NPT and RF Ends
- Dec 02,24
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As the below pictures indicate, we have supplied one of our customers with JIS Ball valves with NPT and RF ends. It is a little special product because of the d
Five Days Countdown to Christmas
- Dec 02,24
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Christmas is coming very soon. These days, we have decorated our company with Christmas trees, snowmen and other ornaments. Everyone joins together to make DVS
Плюсы и минусы использования клапанов
- Dec 02,24
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Достоинства клапанов 1. Работа в неблагоприятных условиях. Высокие температуры, вакуум,
Dervos Christmas Spirit and Celebration on the Journey
- Dec 02,24
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"Jingle bells, jingle bells, jingle all the way. Dervos Christmas party is on, cheers all the way!" Beginning Nov.25 and continuing through Dec.25, Dervos Valve
Preparing for a Sea Change in Global Refining
- Dec 02,24
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The global oil refining industry has been buffeted by many events in recent years. The global oil refining industry has been buffeted by many events in recent