About
our company
Heze Yonghui Composite Materials Co., Ltd., established in 2008, is located in Dongming County, Heze City, known as the Peony Capital of China. The company occupies an area of over 90 mu, with an annual turnover exceeding 200 million yuan and total assets of 160 million yuan.
Currently, the company employs over 100 staff, including 2 postdoctoral researchers and 2 professor-level senior engineers, alongside a professional R&D team of more than 10 members.
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WHY
CHOOSE US
The company has always adhered to the principle of "excellent quality and thoughtful service".
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Advanced Scientific ResearchIt has developed into a high-tech enterprise with strong research and development capabilities.
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High Quality EquipmentThe company adheres to quality standardization and safety-standardized production practices, providing the most professional services guided by the actual needs of customers.
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Our CertificateIt has been committed to strict quality control, having obtained ISO9001:2008, ISO9001:2016 quality management system certifications, and EU REACH certification.
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Production MarketIts products are exported to over 20 countries and regions, including North America, Western Europe, the Middle East, and Southeast Asia.
PRODUCTS CATEGORIES
The ideal choice for
high quality service
We have been committed to strict quality control and have obtained quality management system certification and EU certification.
Our hot sale products
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![4,4-Diaminodiphenylmethane]( "4,4-Diaminodiphenylmethane")
4,4-DiaminodiphenylmethaneProduct name:4,4-Diaminodiphenylmethane ，
Other name:4,4'-Methylenedianiline
CAS:101-77-9
UN:2651
Purity:≥99.5%
Chemical... -
![MDA-60(4,4-Methylenedianiline)]( "MDA-60(4,4-Methylenedianiline)")
MDA-60(4,4-Methylenedianiline)Product name: MDA-60(4,4-Methylenedianiline)
Appearance: Pale yellow transparent liquid/semi-solid
Viscosity(40℃）: 3,000-5,000 mPa·s ... -
![DDM（Diaminodiphenylmethane）]( "DDM（Diaminodiphenylmethane）")
DDM（Diaminodiphenylmethane）Product name: DDM（Diaminodiphenylmethane）
Appearance: Pale yellow solid
Content of 4,4'-Methylenedianiline: 65%-75%
Package: 25... -
![4,4-diaminodicyclohexylmethane]( "4,4-diaminodicyclohexylmethane")
4,4-diaminodicyclohexylmethaneProduct name:4,4-diaminodicyclohexylmethane
Other name:4,4’-Methylenebis(cyclohexylamine)
Bis(4-aminocyclohexyl)methane -
![H12MDA]( "H12MDA")
H12MDAProduct name:H12MDA
Other name:PACM
4,4’-Bis(aminocyclohexyl)methane
CAS:1761-71-3
UN:2735
Purity:≥99.9% -
![4,4-Methylenebiscyclohexylamine]( "4,4-Methylenebiscyclohexylamine")
4,4-MethylenebiscyclohexylamineProduct name:4,4-Methylenebiscyclohexylamine
Other name:4,4’-Methylenebis(aminocyclohexane)
4,4’-Methylenedicyclohexylamine -
![3,3′-Dichlor-4,4′-diaminodiphenylmethan]( "3,3′-Dichlor-4,4′-diaminodiphenylmethan")
3,3′-Dichlor-4,4′-diaminodiphenylmethanCAS NO : 101-14-4
EC NO : 202-918-9
Molecular Formula : C13H12Cl2N2
Molecular Weight：267.15400
Exact Mass：267.15
EC... -
![4,4′-Methylendicyclohexanamine]( "4,4′-Methylendicyclohexanamine")
4,4′-MethylendicyclohexanamineProduct name:4,4′-Methylendicyclohexanamine
Other name:(4,4′-Diaminodicyclohexyl)methane
Bis-(p-aminocyclohexyl)methane
CAS:1761-71-3 ...
Latest news and events
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![Meeting Us At JEC World 2026-Paris France]()
Jan 08, 2026Meeting Us At JEC World 2026-Paris FranceHeze Yonghui Composite Materials Co., Ltd., a leader in composite materials manufacturing, announced its participation in JEC WORLD 2026, the global flagship...view more -
![How To Inject Epoxy Resin Using A Syringe]()
Dec 11, 2025How To Inject Epoxy Resin Using A SyringeApplying epoxy resin adhesive or performing repairs using a syringe is a delicate operation, suitable for mold repair, electronic packaging, and craft manufa...view more -
![Usage, Mixing Ratio, And Insulation Properties Of Epoxy Resin]()
Dec 11, 2025Usage, Mixing Ratio, And Insulation Properties Of Epoxy ResinEpoxy resin is a thermosetting polymer material composed of resin, curing agent, and other functional additives. It possesses excellent insulation properties...view more
