President Hong's BlessingsThe Mid-Autumn Festival originated in ancient times, became popular during the Han Dynasty, was formalized in the early Tang Dynasty, and flourished after the Song Dynasty. It is a comprehensive tradition associated with the autumn season, with many of its customs having an Read More

On September 1st, COVNA Group held the team PK results announcement and the July-August recognition meeting. The meeting reviewed the work from the past two months, honored outstanding individuals, and outlined the plans for the work in September and October. As the renowned Japanese industrialist K Read More

Empowering the ecosystem, smartly winning the future! The 16th China Guangzhou International Pump, Valve, and Fluid Exhibition will be grandly held at the China Import and Export Fair Complex in Guangzhou! With an exhibition area of 50,000㎡, over 46,000 professional visitors, more than 900 exhibitor Read More

Morning Meeting Segment"A year's plan starts in spring, a day's plan starts in the morning." We begin each day full of energy, ready to embrace the work ahead.Work SegmentThe long road ahead is vast, and everything is worth looking forward to.Regular Meeting Segment"Learn from failure" – everything Read More

2021This year, we chased the light and became the light,Letting others see the glow.No effort is too small,They form the 2021 that runs with passion.Unstoppable StepsThis year, we measured the map with our steps.This year, we insisted on providing excellent service to our customers.This year, we rea Read More

2021 COVNA Sales and Operations Review (January 17-19, 2022)A famous English proverb says: "To a crazy ship, all winds are contrary." This means that for a ship with no direction, any wind will feel like a headwind. This is a matter of direction.Some say... Your ability is never static; it’s constan Read More

They are a group of vibrant and energetic people.They are undoubtedly the most beautiful and lovable individuals,yet they are also diligent and meticulous in their work.They love life,and are willing to overcome all obstacles for it.They are the entire team at COVNA.This year, we have had hard work. Read More

On October 23rd, the 15th Greater Bay Area Environmental Engineering Salon and 2021 Environmental Industry Summit was grandly held at the Kelhai Yue Hotel in Panyu District, Guangzhou, Guangdong. This event was supported by the School of Environmental Science and Engineering at South China Universit Read More

With the summer sunrise,A season full of vitality,The COVNA team,A group of young energy,A team-building event that could happen at any moment.The passionate and high-spirited slogans reflected the team's fighting spirit.The team leaders were selected, team names and slogans were determined,and ever Read More

I'm not sure when it started, but everything seems to have an expiration date these days.Even mackerel, meat sauce, and even plastic wrap have an expiration date.It makes me wonder—what in this world doesn't expire?The lifespan of a valve is often affected by improper operation or prolonged use, lea Read More

Valve symbols (or valve graphical symbols) refer to the way valves are depicted using simple graphics in drawings. These symbols serve as a representation and a standard. Generally speaking, the differences in valve symbols are minimal, but there may be regional variations. The complete valve symbol Read More

Time flies, and before we know it, we've entered 2020—it feels like 2019 was just yesterday.This time, everyone fought together against the pandemic, and it feels like it's been a long struggle.Surprisingly, this pandemic added a fresh sense of excitement to the usual mundane outdoor activities.And Read More

Valve Basics1. The basic parameters of a valve are: nominal pressure PN, nominal diameter DN.2. The basic functions of a valve: shut off and connect the medium, adjust flow, change flow direction.3. The main connection methods for valves are: flange, thread, welding, and wafer.4. Valve pressure-temp Read More

1. What is a Review?A review originally comes from the game of Go, which means that after finishing a game, you remove the pieces and then re-set them in the same way as the previous game and explain the process again. This process is called a "review." You analyze where the moves were good, where t Read More

This yearIt embodies the hard work, sweat, and achievements of all COVNA employees.We have expanded markets, upgraded empowerment.We have driven innovation, focused on customers....At this momentOn January 12, 2020COVNA Industrial Automation Co., Ltd.Held an annual meeting of harvest and dreams.What Read More