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The national academic journal Printing and Dyeing published joint research results between Hongyi Chemical and Zhejiang Sci-Tech University

The national academic journal Printing and Dyeing published joint research results between Hongyi Chemical and Zhejiang Sci-Tech University

The joint research results of Hongyi Chemical and Zhejiang Sci-Tech U...

Zhejiang Hongyi Chemical Co., Ltd.

Applicability of commonly used fluorescent whitening agents in plastics of different materials

Applicability of commonly used fluorescent whitening agents in plastics of different materials

1. Basic knowledge of plastics Plastic...

Zhejiang Hongyi Chemical Co., Ltd.

Effect of basic whiteness of papermaking pulp on fluorescent whitening agent

Effect of basic whiteness of papermaking pulp on fluorescent whitening agent

Fluorescent whitening agent ≠ bleaching agent. In the papermaking...

Zhejiang Hongyi Chemical Co., Ltd.

KB series PVC gusset plate special model.

KB series PVC gusset plate special model.

PVC gusset boards are extruded from polyvinyl chloride resin as the main...

Zhejiang Hongyi Chemical Co., Ltd.

Special whitening agent for artificial stone.

Special whitening agent for artificial stone.

The mixture of stone powder and crushed stone with organic resin as bind...

Zhejiang Hongyi Chemical Co., Ltd.

PVC is Hongyi Chemical’s good friend.

PVC is Hongyi Chemical’s good friend.

PVC was once the most widely used plastic in the world and is widely use...

Zhejiang Hongyi Chemical Co., Ltd.

丨Invitation letter丨Welcome to Hongyi Chemical CHINAPLAS 2024 Shanghai Station - Booth 2.2G09 for visit and guidance!

丨Invitation letter丨Welcome to Hongyi Chemical CHINAPLAS 2024 Shanghai Station - Booth 2.2G09 for visit and guidance!

ChinaPlas2024 The 36th China International Plastics and Rubber Industry ...

Zhejiang Hongyi Chemical Co., Ltd.

丨Invitation letter丨Welcome to Hongyi Chemical CHINA INTERDYE2024 Shanghai World Expo Exhibition and Convention Center Booth H4-E811 for visit guidance

丨Invitation letter丨Welcome to Hongyi Chemical CHINA INTERDYE2024 Shanghai World Expo Exhibition and Convention Center Booth H4-E811 for visit guidance

Exhibition introduction As the "wind vane" of the g...

Zhejiang Hongyi Chemical Co., Ltd.

丨Invitation letter丨Welcome to Hongyi Chemical Alinplas2024 Zhengzhou Plastics Expo Booth A261 for visit guidance

丨Invitation letter丨Welcome to Hongyi Chemical Alinplas2024 Zhengzhou Plastics Expo Booth A261 for visit guidance

March 27-29, 2024 Our company at the Zhengzhou International ...

Zhejiang Hongyi Chemical Co., Ltd.

February 2: The dragon raises its head | The spring dragon raises its head, bringing good luck!

February 2: The dragon raises its head | The spring dragon raises its head, bringing good luck!

The spring dragon raises its head, bringing good luck to people T...

Zhejiang Hongyi Chemical Co., Ltd.

Focus on the Two Sessions丨Provide Good Strategies for Development

Focus on the Two Sessions丨Provide Good Strategies for Development

On the occasion of the third session of the 17th Longquan Municipal Peop...

Zhejiang Hongyi Chemical Co., Ltd.

Hongyi Chemical wishes you a Happy New Year!

Hongyi Chemical wishes you a Happy New Year!

Zhejiang Hongyi Chemical Co., Ltd.