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Complete customer files，regular tracking of equipment operation
Respond promptly and solve problems reported by customers - We have a strong production capacity can ensure rapid delivery at the appointed time
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COMPANY NEWS
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2025 03The world is better because of you——The 18th Covna Salon and 2025 Environmental Ecological Innovation Brand Overseas International Summit concluded successfully
On March 22, in this beautiful season of spring, the 18th Covina Environmental Ecological Innovation Salon Summit was successfully concluded at the Guangzhou Nansha Yuexiu Sheraton Hotel. The summit brought together expe
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2025 03Women's Day in Covna Stark
Spring brings warmth and everything comes back to life. In this season full of vitality and hope, the Covina family welcomes the annual spring team-building event and celebrates the Goddess Day of every unique and beauti
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2025 03Analysis of the reasons for high conductivity of water from reverse osmosis equipment
The conductivity problem of reverse osmosis equipment purified water equipment is a problem often encountered by many purified water equipment manufacturers. In response to this situation, STARK Water Treatment summ
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2025 02Daily Maintenance and Care Schedule for Water Treatment Equipment
Water treatment equipment plays a crucial role in ensuring the quality and safety of water. To maintain optimal performance and extend the lifespan of the equipment, regular maintenance and care are essential. Below is a
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2025 02How to use the new RO reverse osmosis membrane correctly?
Technical points for using new RO reverse osmosis membrane: 1. First, rinse the quartz sand and coconut shell activated carbon. The newly installed quartz sand and coconut shell activated carbon should be rinsed for a l
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2025 02Influent quality and pretreatment of RO membrane process
RO Membrane fouling refers to the irreversible changes that occur when particles, colloidal substances, or macromolecules in a material interact physically, chemically, or mechanically with a membrane. This interaction l
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2025 01Carrying dreams and creating the future——The 2025 Annual Ceremony of COVNA Group came to a successful conclusion
On January 18, 2025, in a quiet and beautiful winter day, the Covna Group held a grand annual ceremony with the theme of "Carrying Dreams, Creating the Future". The event was based on a Western romantic style,
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2024 11If there is a malfunction in the reverse osmosis system, analyze and solve it in this way!
Reverse osmosis, also known as reverse osmosis, is a membrane separation operation that uses pressure difference as a driving force to separate solvents from solutions. Because it is in the opposite direction of natural
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2024 12Why should antiscalant be added to reverse osmosis equipment?
Reverse osmosis water treatment equipment passes raw water through precision filters, granular activated carbon filters, compressed activated carbon filters, etc., and then pressurizes it through a pump. It uses a revers
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2024 11COVNA STARK--Weekly hot pot party
COVNA STARK---Weekly hot pot session The end of the year continues to be hot, hot and sizzling！