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Application of Near Infrared Dyes
In milaffairs, the ordinary light source of the lighting devices in the engine room will not only provide illumination, but also emit light in the near infrared band. Although the light intensity is not high, it will cause certain interference to NVIS (night vision compatible system). At present,...Read more -
UV Fluorescent Powder
UV fluorescent powder, also known as ultraviolet photoluminescent pigment, is a fluorescent pigment made by calcining metal (zinc, cadmium) sulfides or rare earth oxides with trace amounts of surfactants. Colorless or light white refers to visible light (400-800nm) that appears in various colors ...Read more -
Fluorescent ink production process
uorescent ink production process for printing anti-counterfeiting labels on products Introduction: This technology relates to a fluorescent ink used for printing anti-counterfeiting labels on products, including organic ultraviolet fluorescent powder: 12-16 parts; Connecting materials: 38-42 po...Read more -
Application of UV Fluorescent powder
1. Fluorescent powder can be used for painting in entertainment venues, drawing under UV light irradiation. 2. Fluorescent powder can be used to produce anti-counterfeiting ink 3. Fluorescent powder can be used for product quality testing 4. Long wave ultraviolet fluorescence anti-counterfeiting ...Read more -
China The Dragon Boat Festival Manufacture and Factory Topwell
Topwellchem will be on vacation from 5.8-5.10. We welcome your inquiries and will be available 24 hours a day The Dragon Boat Festival, also known as the Dragon Boat Festival or the Double Ninth Festival, is a traditional Chinese festival that falls on the fifth day of the fifth lunar month. The ...Read more -
Our company’s new product Urolitin A has been launched. We welcome new and old customers to discuss cooperation
n 2024, our company’s new product Urolitin A has been launched. We welcome new and old customers to discuss cooperation Urolitin-A is widely distributed in living organisms, including humans and animals. It plays an important rolein multiple physiological processes, such as cellular signali...Read more -
Chinese Spring Festival
Spring Festival, commonly known as “Chinese New Year”, is the first day of the first lunar month. The Spring Festival is the most solemn and lively traditional festival among Chinese people, and also an important traditional festival for overseas Chinese. Do you know the origin and l...Read more -
Chinese Spring Festival Customs – Spring Festival couplet
Spring Festival couplet May all friends around the world be blessed with shining stars of good fortune, happiness and prosperity, and smooth sailing in all endeavors. ——Qingdao Topwell Chemical Materials Co., Ltd. Chunlian, as a traditional culture, has been flourishing in China for a long time. ...Read more -
Chinese Spring Festival Customs – Tanggua sticky
Xiaonian – Tanggua stickyThe song “23 Tanggua Sticky” is: Don’t be greedy, children. After Laba, it’s New Year. Laba Congee, a few days later, Lilila, 23, Tanggua sticky; 24、 Sweep the house; 25、 Grinding tofu; 26、 Stewed lamb; 27、 Slaughter roosters; 28、 Hair ...Read more -
Chinese Spring Festival Customs – Chinese New Year Money
Chinese Spring Festival Customs – Chinese New Year Money There is a widely circulated saying about Chinese New Year’s money: “On the evening of Chinese New Year’s Eve, a little demon comes out to touch the head of a sleeping child with its hands. The child of...Read more -
Merry Christmas And Happy New Year
Merry Christmas And Happy New YearRead more -
Chinese Minor Snow
Chinese Minor Snow The traditional Chinese solar calendar divides the year into 24 solar terms. Minor Snow, (Chinese: 小雪), the 20th solar term of the year, begins this year on Nov 22 and ends on Dec 6. Minor Snow refers to the time when it starts to snow, mostly in China’s northern areas...Read more
