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The 20th Asia Pacific International Plastics and Rubber Industry Exhibition 2023--Invite you to visit Hongyi Chemical (Hall N3 T66) for guidance

The 20th Asia Pacific International Plastics and Rubber Industry Exhibition 2023--Invite you to visit Hongyi Chemical (Hall N3 T66) for guidance

July 18 to July 21, 2023 Our company is at Qingdao World International ...
2023-07-15
Zhejiang Hongyi Chemical Co., Ltd.
Hongyi Chemical wishes everyone a happy Dragon Boat Festival!

Hongyi Chemical wishes everyone a happy Dragon Boat Festival!

2023-06-22
Zhejiang Hongyi Chemical Co., Ltd.
The 17th China (Chongqing) Rubber and Plastics Industry Exhibition 2023 Chongqing Station--Invite you to Hongyi Chemical (N2 Hall 2519) for visit and guidance

The 17th China (Chongqing) Rubber and Plastics Industry Exhibition 2023 Chongqing Station--Invite you to Hongyi Chemical (N2 Hall 2519) for visit and guidance

May 26 to May 29, 2023 Our company is at Chongqing International Expo Center participated in the 17th China ( Chong...
2023-05-16
Zhejiang Hongyi Chemical Co., Ltd.
Hongyi Chemical CHINAPLAS 2023 Shenzhen Station has come to a successful conclusion. See you at the next stop!

Hongyi Chemical CHINAPLAS 2023 Shenzhen Station has come to a successful conclusion. See you at the next stop!

2023CHINAPLAS PERFECT CLOSING CHINAPLAS2023 International Rubber and Plastics Exhibition ended perfe...
2023-04-29
Zhejiang Hongyi Chemical Co., Ltd.
May Day Labor Day Holiday Notice

May Day Labor Day Holiday Notice

2023-04-25
Zhejiang Hongyi Chemical Co., Ltd.
CHINAPLAS 2023 International Rubber and Plastics Exhibition --Invite you to visit Hongyi Chemical (14Q25) for guidance

CHINAPLAS 2023 International Rubber and Plastics Exhibition --Invite you to visit Hongyi Chemical (14Q25) for guidance

The annual Chinaplus International Rubber and Plastics Exhibition - Shenzhen Adsale is about to be held. On the occasion of the...
2023-03-03
Zhejiang Hongyi Chemical Co., Ltd.
The discovery and development history of fluorescent whitening agents

The discovery and development history of fluorescent whitening agents

The colorless substance horse chestnut bark (scientific name: 6,7-dihydroxycoumarin) contained in horse chestnut bark can emit ...
2023-02-22
Zhejiang Hongyi Chemical Co., Ltd.
Happy New Year!

Happy New Year!

2023-01-21
Zhejiang Hongyi Chemical Co., Ltd.
Hongyi Chemical wishes you a happy New Year!

Hongyi Chemical wishes you a happy New Year!

new year new atmosphere Hongyi Chemical wishes you a happy New Year! happy new year...
2023-01-01
Zhejiang Hongyi Chemical Co., Ltd.