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What is the optimal concentration for the protective film formed by PVP in the preservation of fruits and vegetables?

Sep 23, 2025

In the preservation of fruits and vegetables, the optimal usage concentration of PVP (polyvinylpyrrolidone) protective film is usually 0.1% to 0.4%, and the specific concentration needs to be adjusted according to the type of fruits and vegetables, a...

Does the protective film formed by PVP have an impact on the taste and nutritional value of fruits and vegetables?
Sep 16, 2025
Under the premise of compliant use and reasonable process, the protective film formed by PVP has a very small overall impact on the taste and nutritional value of fruits and vegetables. It can even indirectly protect the taste and nutrition by delayi...
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Is it easy for PVP to form a protective film, which can prolong the freshness period of fruits and vegetables?
Sep 09, 2025
PVP (Polyvinylpyrrolidone) Easily Forms a Protective Film on the Surface of Fruits and Vegetables, and This Property Has Been Applied in the Field of Fruit and Vegetable Preservation to Effectively Extend Their Freshness Period. The Core Reasons Are ...
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SUNDGE holds its 2025 semi annual summary meeting and team building activities: Gather SUNDGE, enjoy the journey, and achieve new results
Jul 22, 2025
In the summer season, Nanjing SUNDGE Chemical New Materials Co. , Ltd. held a semi annual work summary meeting for 2025. The meeting comprehensively reviewed the company's operating results in the first half of the year, clarified the future dev...
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Nanjing SUNDGE Chemical New Materials Co., Ltd. participates in the 2025 CPHI China exhibition to jointly expand the global pharmaceutical new materials market
Jul 10, 2025
At the end of June, Shanghai New International Expo Center became the focus of the global pharmaceutical industry. The 23rd World Pharmaceutical Raw Materials China Exhibition (CPHI China) and the World Pharmaceutical Machinery, Packaging Equipment a...
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Indian customers visited the factory and reached cooperation intention
Jun 04, 2025
On April 22, 2025, NANJING SUNDGE CHEMICAL NEW MATERIAL CO.,LTD welcomed an Indian customer, Manmit. The purpose of his visit was to visit the PVP K30 and PVPI factories and conduct a final on-site inspection and research on the cooperative products....
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A Summer of Zongzi Love，NANJING SUNDGE Wish you a happy Dragon Boat Festival!
May 30, 2025
It is the time of the year when the fragrance of rice dumplings fills the air and the drumbeats of dragon boats seem to be ringing in our ears. On the occasion of the Dragon Boat Festival, NANJING SUNDGE would like to extend our sincerest greetings a...
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NANJING SUNDGE| 2025 first quarter summary and commendation conference ended successfully
Apr 12, 2025
On April 8, 2025, the first quarter commendation meeting and second quarter performance commitment meeting of NANJING SUNDGE CHEMICAL NEW MATERIAL CO.,LTD. were held in the headquarters conference room. All the staff of the company gathered together...
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Official Relocation Notice – Continuing to Serve You with Excellence
Mar 27, 2025
Dear partners and customers Hello! Due to business development needs, our company will officially relocate to a new office address on Wednesday, March 26, 2025: Alibaba Jiangsu Headquarters, Building T4, 4th Floor, Room 408-1, Yongchu Road, Jianye Di...
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The SUNDGE team unites hearts and minds, working together to write a chapter of excellence!
Feb 14, 2025
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Based on the law, ensure the quality and safety of veterinary drugs-SUNDGE participated in the veterinary drug industry management training
Jan 08, 2025
In order to strengthen the study of veterinary drug management regulations and policies, improve the company's veterinary drug management business level, and promote the next stage of veterinary drug management work, on January 7, 2025, our company p...
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The new year begins with a flourish
Dec 31, 2024
The snake dances auspiciously, bringing wealth and good fortune. All trips are smooth, and happiness invites you. 2024 is coming to an end, and 2025 is about to begin. We bid farewell to the old year, full of longing, and open the cover of the new ye...
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Congratulations | SUNDGE was successfully selected as an "Advanced Unit" in the Precursor Chemicals Industry in 2024.
Dec 30, 2024
At the Qinhuai District Precursor Chemicals Unit Summary and Commendation Conference held on December 19, 2024, the list of winners of the 2024 Precursor Chemicals Enterprises was grandly released, and the "Winning Units" and "Advanced Units...
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SUNDGE Nanjing Ali Center Outbound Visit
Oct 28, 2024
In order to improve the company's foreign trade capabilities and platform operation skills, our company organized all foreign trade and operation personnel to hold a third quarter REVIEW summary and analysis meeting with Ali staff at the Nanjing Ali ...
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The Turkish guests visited the factory and reached the intention of cooperation
Sep 13, 2024
On September 2, 2024, Nanjing SUNDGE New Chemical Materials Co., Ltd. welcomed three Turkish customers, namely a professor from Erciyes University, the general manager of a disinfectant water company and a senior student. The purpose of their visit i...
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SUNDGE Successfully Exhibited CPHI South China Station
Feb 28, 2024
From September 4th to September 6th, 2023, the "CPHI&PMEC China National Theme Tour South China Station" was held at the Poly World Trade Museum in Guangzhou. As an exhibitor, SUNDGE is committed to promoting industry exchange and cooperation, promot...
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SUNDGE participates in the course "Annual Business Plan and Comprehensive Budget Management
Feb 28, 2024
From November 9th to 10th, SUNDGE participated in the 177th Corporate Finance and Tax Security System Service Course organized by Pinrun Consulting, which was held in Shanghai with great ceremony. The purpose of this training is to assist the company...
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Watch and help each other! SUNDGE donates 10000 yuan to the Gansu earthquake stricken area
Feb 28, 2024
At 23:59 Beijing time on December 18, 2023, a 6.2 magnitude earthquake occurred in Jishishan County, Linxia Prefecture, Gansu Province. The epicenter depth of the earthquake reached 10 kilometers, causing serious damage to houses and infrastructure i...
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Good news - The company has successfully obtained the Veterinary Drug Business License Certificate
Feb 28, 2024
On August 31, 2023, the company successfully obtained the Veterinary Drug Business License.The successful completion of this qualification application has further consolidated and improved the company's corporate qualifications. The acquisition of ne...
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