High-Quality Feed Additives Supplier from China
Dinweys Biotech is the dedicated global sales and export division for qualified feed additive manufacturers — supplying choline chloride, betaine, dicalcium phosphate, amino acids, and vitamins to farms and feed companies worldwide.
Our Feed Additive Categories
From choline chloride to feed enzymes — sourced direct from certified Chinese manufacturers, with full documentation and export support.
Choline Chloride Feed
60% corn cob, 60% silica, 50% corn cob, and 75% liquid — a core Vitamin B4 supplement for poultry, swine, and aquaculture.
View products →Vitamins Feed Powder
Riboflavin (B2), Ascorbic Acid (C), and more — feed-grade vitamins for balanced animal nutrition.
View products →Minerals For Feed
Dicalcium Phosphate (DCP 17% & 18%) and mineral additives for skeletal development and production performance.
View products →Amino Acids Feed
L-Lysine Sulphate 70%, DL-Methionine, L-Threonine — essential amino acids for optimized feed formulation.
View products →Feed Enzyme Preparation
Heat-stable phytase and granular phytase to improve phosphorus availability and feed efficiency.
View products →Certified Manufacturing Partners
Our partner facilities hold internationally recognized quality and safety certifications for feed-grade additive production and export compliance.

ISO 9001
Quality management system

HACCP
Hazard analysis & critical control points

FAMI-QS
Feed additive quality standard (Europe)
Your Trusted Feed Additive Sourcing Partner
Export & Communication Advantage
Designated export and sales partner for qualified manufacturers, providing consistent international communication and export documentation support.
Product & Market Support
Assistance with product specifications, regulatory information, and logistics coordination — so you focus on feed formulation.
Reliable Global Delivery
Timely delivery, clear export procedures, and dependable service through deep cooperation with our partner factory.
Ready to Source Quality Feed Additives?
Get competitive pricing, COA documentation, and reliable export logistics for choline chloride, betaine, DCP, amino acids, and vitamins.
Contact Our Sales Team