Main Products

About Us

Changzhou Dayilong Agrochemical Co., Ltd. specializes in the formulation and manufacturing of agricultural chemical products, including fungicides, insecticides, herbicides, and plant growth regulators. Our office is located in Hengsheng Science & Technology Park, Changzhou, while our formulation processing facility in Lianshui Industrial Park covers more than 60 mu and is equipped with production, filling, packaging, and laboratory testing facilities. With standardized manufacturing procedures and quality management, we provide reliable products and OEM manufacturing services for agricultural distributors, importers, and brand owners.

Why Choose Dayilong

From formulation production to quality inspection and export packaging, we provide standardized manufacturing and OEM solutions for customers worldwide.

60 Mu Manufacturing Facility

A modern production base equipped with formulation, filling, packaging, and supporting processing equipment for stable manufacturing.
Laboratory Quality Control

Equipped with GC, HPLC, Laser Particle Size Analyzer, and other testing instruments to support routine quality inspection.
OEM & Private Label

Flexible manufacturing solutions include private label production, customized packaging, and export packaging.
Industry Certifications

Quality Management System Certificate, Dangerous Chemicals Business License, and Pesticide Operation Permit.
Responsive Service

Professional communication from product consultation to order delivery supporting long-term customer cooperation.

OEM Manufacturing Solutions

Flexible production services designed to support your brand, packaging, and market requirements.

Private Label Manufacturing

Build your own product brand with customized labels, packaging, and export-ready production supported by standardized manufacturing processes.

Customized Packaging Solutions

From product labels to export packaging, we provide flexible packaging solutions to help meet different market and transportation requirements.

From Production to Quality Control

Every production step is supported by modern equipment, laboratory testing, and standardized quality management to help ensure consistent product quality.