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Professional Tear Gas &
Chemical Raw Material Supplier

SHAANXI DAYU CHEMICAL CO., LTD – ISO 9001 Certified Manufacturer of High-Purity CS Powder, OC, PAVA, CR and Pyrotechnic Chemicals Since 2006

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About Dayu Chemical

Founded in 2006, SHAANXI DAYU CHEMICAL CO., LTD is a wholly-owned subsidiary of DAYU GROUP, located in Xi’an, Shaanxi Province, China – the starting point of the historic Silk Road.

We are a comprehensive chemical company integrating scientific research, manufacturing, and international trade of less-lethal technology and ammunition raw materials. Dayu Chemical supplies over 30 types of chemical raw materials including CS powder, CS liquid solution, OC, PAVA, CN powder, CR powder, and pyrotechnic materials such as Magnesium and Aluminum powders.

With an annual production capacity of 400 tons of CS powder, we serve global clients in defense, law enforcement, and security industries. Our commitment to quality, innovation, and customer service has made us one of the most trusted names in specialty chemical manufacturing.

2006
Founded
400 T/Y
CS Powder Capacity
30+
Products
20%
R&D Investment
Dayu Chemical Facility

Our Quality Guarantee

At Dayu Chemical, we uphold the highest standards in manufacturing, research, and customer service to ensure mutual success.

Strict Quality Control

  • ✔ ISO 9001, GMP, SGS certified
  • ✔ Advanced laboratory facilities
  • ✔ Third-party testing
  • ✔ "Quality makes mutual values" philosophy

Professional R&D Team

  • ✔ PhD chemical research fellows
  • ✔ University collaborations
  • ✔ Imported testing equipment
  • ✔ 20% revenue invested in R&D

Excellent Service System

  • ✔ Free samples (shared freight)
  • ✔ Technical support & consultation
  • ✔ One-on-one customer service
  • ✔ Customer satisfaction focus

Fast & Safe Delivery

  • ✔ Experienced chemical logistics
  • ✔ Full cargo tracing
  • ✔ World-class air/sea carriers
  • ✔ In-stock inventory & quick dispatch

Our Products

High-purity chemical raw materials for tear gas, less-lethal devices, and pyrotechnic applications. All products manufactured under strict quality control.

CS Powder

CS Powder

O-chlorobenzylidene malononitrile – high purity for military tear bombs and sprays. 400 ton/year production capacity.

Tear Gas Agent Learn More
CS Liquid Solution

CS Liquid Solution

Ready-to-use liquid formulation for spray devices. Stable concentration and rapid dispersion.

Liquid Formulation Learn More
PAVA Synthetic Capsaicin

PAVA (Synthetic Capsaicin)

Potent synthetic irritant used in high-end defense sprays. Consistent potency and shelf life.

Synthetic Irritant Learn More
OC Water-Soluble

OC Water-Soluble

Water-based Oleoresin Capsicum for eco-friendly formulations. Ideal for sensitive environments.

Water-Based OC Learn More

OC Oil-Soluble

Oil-based Oleoresin Capsicum for maximum potency and adhesion. Used in high-performance sprays.

Oil-Based OC Learn More

OC Powder

Concentrated OC powder for custom formulations. High capsaicinoid content for maximum effect.

Capsaicin Powder Learn More

CR Powder

Dibenz[b,f][1,4]oxazepine – a potent lachrymator with longer persistence than CS.

Lachrymatory Agent Learn More

Pyrotechnic Raw Materials

Including Magnesium Powder, Aluminum Powder, Barium Nitrate, Strontium Nitrate, and more.

Combustion Agents Learn More

Amino Guanidine Compounds

Aminoguanidine bicarbonate, hemisulfate, and hydrochloride for specialty applications.

Chemical Intermediates Learn More
View All Products

Our Factory

State-of-the-art manufacturing facilities with advanced safety and quality control systems.

1000㎡
Pilot Plant
2400㎡
Manufacturing
78℃
Reaction Temp
200℃
Max Temp
5
Production Lines
Factory 1
Factory 2
Factory 3
Factory 4
Factory 5

Contact Us

Reach out to our team for product inquiries, technical support, or partnership opportunities.

Get in Touch

Phone

+86 136 6925 2575

WhatsApp

Available via +86 136 6925 2575

Address

Building NO.8, XiShi Jiajun, XiShi 2nd Road, Lianhu District, Xi'an, Shaanxi, China

Working Hours

Monday to Saturday, 8:00 AM to 6:00 PM (China Time)

Send Us a Message

For product inquiries, technical support, or partnership opportunities, please visit our official website to contact the Dayu Chemical team.

Visit Official Website to Contact

All inquiries are handled through our official communication channels.

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