Henan Yuanbo New Materials Co., Ltd.

1,2,3,6-Tetrahydrophthalic Anhydride(THPA)

Products

We have six production lines, along with associated supporting facilities, capable of producing 10,000 tons per year of tetrahydrophthalic anhydride, 5,000 tons of tetrahydroisoquinoline, 6,000 tons of tetrahydrophthalic anhydride derivatives, and 4,000 tons of pharmaceutical intermediates.

Pesticide Intermediate Series Pharmaceutical Intermediates Series New Materials Series

USES:1、Additives for coatings, curing agents for resins, etc 2、Important raw material for pesticide intermediates

3,4,5,6-Tetrahydrophthalic Anhydride

PRODUCT NAME:3,4,5,6-Tetrahydrophthalic Anhydride CAS NO.: 2426-02-0 CHARACTER:White solid USES：1、Curing agent of epoxy resin. Raw materials of unsaturated polyester resin. 2、It is an intermediate of pyrethroids. It can also be used in thesynthesis of the new herbicide Flumioxazin.

3,4,5,6-Tetrahydrophthalimide

PRODUCT NAME:3,4,5,6-Tetrahydrophthalimide CAS NO.: 4720-86-9 CHARACTER：Pale yellow to white crystalline powder USES: Mainly used in dyes, medicines, pesticides and other intermediates.

1,2,3,6-Tetrahydrophthalimide

PRODUCT NAME: 1,2,3,6-Tetrahydrophthalimide CAS NO.: 85-40-5 CHARACTER：Pale yellow or white crystalline powder. USES: It is mainly used for the synthesis of new electronic materials and the synthesis of pesticide captan.

4-Chlorobutyryl chloride

USES:Used as a pharmaceutical intermediate, for the production of haloperidol, triccloperidine, terfenadine, etc.

AE-active ester

CHARACTER：white or off-white powder USES:Used as intermediates of ceftriaxone sodium, ceftriaxone sodium and other drugs

N-Hydroxyethylphthalimide

CHARACTER：White to off-white powder USES:Used in dyes, pigments and pharmaceutical intermediates.

DL-1,4-Dithiothreitol (DTT)

Appearance: Colorless and transparent Use: Pharmaceutical intermediate

In accordance with the "Environmental Impact Assessment Law of the People's Republic of China" and the "Measures for Public Participation in Environmental Impact Assessment" (Ministry Order No. 4) and other relevant regulations, the draft environmental impact assessment report for the project of Henan Yuanbo New Materials Co., Ltd., which involves an annual production capacity of 10,500 tons of tetrahydrophthalic anhydride derivatives, pharmaceutical intermediates, and fragrance intermediates, has been completed. The information is hereby made public as follows:

Advantages

Through continuous R&D and optimization, production costs have been steadily reduced, and the production processes have become safer, more environmentally friendly, and energy-efficient. We are committed to becoming a technology-driven enterprise specializing in the production of tetrahydrophthalic anhydride derivative products.

Company Strength

Henan Yuanbo New Materials Co., Ltd. was established in June 2017 with a registered capital of 100 million yuan. Henan Yuanbo covers an area of 128 mu and has a building area of 40,000 square meters.

Product Advantages

We currently operate six production lines, along with associated supporting facilities, capable of producing 10,000 tons per year of tetrahydrophthalic anhydride, 5,000 tons of tetrahydroimide, 6,000 tons of tetrahydrophthalic anhydride derivatives, and 4,000 tons of pharmaceutical intermediates.

Quality advantage

The company has its own R&D team and has jointly established an engineering laboratory and a technology center with the College of Science at China Agricultural University. In 2023, the company set up a professor workstation within its premises. Taking tetrahydrophthalic anhydride as the core material, the company has developed an industrial chain that includes derivatives such as tetrahydrophthalic anhydride derivatives, isomerized imines, and amine alcohols.

Service Advantages

The company consistently upholds the corporate philosophy of “integrity, pragmatism, co-creation, and win-win,” and adheres to the guiding principles of “quality first, customer paramount, and integrity as the foundation.” It will continue to advance into the fine chemical industry, achieving rapid and healthy growth with both speed and quality.

Blog

The company consistently adheres to the corporate philosophy of “Integrity, Pragmatism, Co-creation, and Win-Win,” and follows the guiding principle of “Quality First, Customer Supreme, and Integrity as the Foundation.” It will continue to advance into the field of fine chemicals.

Second Public Notice on Public Participation in the Environmental Impact Assessment of the 10,500-ton Annual Production Project of Tetrahydrophthalic Anhydride Derivatives, Pharmaceutical Intermediates, and Fragrance Intermediates by Henan Yuanbo New Materials Co., Ltd.

To earnestly implement the construction of the “four capabilities” for fire safety, effectively strengthen fire safety efforts, further enhance employees’ fire awareness and self-rescue skills, improve rapid response capabilities, emergency rescue abilities, and collaborative operational skills, and boost our capacity to withstand major disaster accidents, ensuring that in the event of a sudden emergency, we can efficiently organize a swift response, operate rapidly, remain calm under pressure, and minimize the harm caused by the accident to the greatest extent possible, our company held the annual Fire Safety Sports Meet at 9:30 a.m. on April 8, 2021, at the factory premises.

Second Public Notice on Public Participation in the Environmental Impact Assessment of the 10,500-ton Annual Production Project of Tetrahydrophthalic Anhydride Derivatives, Pharmaceutical Intermediates, and Fragrance Intermediates by Henan Yuanbo New Materials Co., Ltd.

The First Fire Sports Meet of Henan Yuanbo New Materials Co., Ltd.

To implement the requirements of governments at all levels across the country regarding enterprise technological innovation, promote the healthy and stable development of enterprises through technological innovation, and drive socio-economic development, our company has decided to establish a research and development innovation platform. After nearly four months of effort—covering preliminary preparation, application submission, county- and district-level recommendations, document review, on-site inspections, expert evaluations, approval by the Party Group Meeting of the Municipal Science and Technology Bureau, and public announcement—we have received approval from the Municipal Science and Technology Bureau to establish the “Puyang City Clean Manufacturing Engineering Technology Research Center for Organic Anhydrides” based on our company.

The First Fire Sports Meet of Henan Yuanbo New Materials Co., Ltd.

The company has successfully established the Puyang City Engineering Technology Research Center.