Hangzhou Tongge Energy Technology Co., Ltd.
Hangzhou Tongge Energy Technology Co., Ltd.
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We are glad to share with you about the results of our work, company news,and give you timely developments and personnel appointment and removal conditions.
9TH CHINA (BRAZIL) TRADE FAIR 202327 2024-07

9TH CHINA (BRAZIL) TRADE FAIR 2023

HANGZHOU TONGGE ENERGY TECHNOLOGY CO.LTD and QTQ INTERNATIONAL GROUP LIMITED participated in the 9TH CHINA (BRAZIL) TRADE FAIR 2023, held from June 19 to June 21, 2023 in Sao Paulo. During this prestigious event, our company made significant strides in the trade of chemical products.
Shenzhen-Zhongshan link in S China's Guangdong to open to traffic on June 30th 202402 2024-07

Shenzhen-Zhongshan link in S China's Guangdong to open to traffic on June 30th 2024

The 24-km-long cross-sea link is scheduled to open to traffic on June 30. Once operational, the travel time between Shenzhen and Zhongshan will be reduced from the current two hours to approximately 30 minutes.
Are Solvent Dyes Really Suitable for Your Dyeing Needs?06 2025-06

Are Solvent Dyes Really Suitable for Your Dyeing Needs?

Solvent dyes, as an important coloring material, are widely used in plastics, inks, coatings, and many other industries due to their excellent dyeing effects and stable performance. They not only provide bright and long-lasting colors but also enhance the overall quality and competitiveness of products. This article will provide a detailed introduction to the core advantages, application areas, selection criteria, and environmental features of solvent dyes to help you fully understand solvent dyes and offer references for your purchasing and production decisions.
Classification of organic pigments23 2025-05

Classification of organic pigments

How are organic pigments classified? Pigments made from colored organic compounds are called organic pigments. A class of pigments made of organic compounds that have color and a range of other pigment characteristics.
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