Longfeng is a China-based chemical supplier established in 2006 in Qingdao, Shandong, China.
Our business covers chemical product manufacturing, sourcing, factory cooperation, international supply, and export. We supply food additives, feed additives, industrial chemicals, agrochemicals, water treatment chemicals, and other chemical raw materials to customers in international markets.
Longfeng operates with an international supply-chain network and an office in Hong Kong.

How Longfeng Supplies Chemical Products
Longfeng supplies chemical products through our own manufacturing activities and qualified Chinese factory partners.
Own Manufacturing
For products within our manufacturing scope, Longfeng coordinates production or available stock directly according to the confirmed specification, quantity, packaging, and delivery schedule.
Factory Partners
For products outside our own manufacturing scope, Longfeng sources from qualified Chinese manufacturers and coordinates the product, price, specification, packaging, documents, and shipment with the applicable factory.
One Supply Contact
For multi-product orders, buyers can source different chemical products through Longfeng instead of coordinating with multiple factories separately.
Before order confirmation, Longfeng confirms the product specification, supply source, quantity, packaging, availability, commercial terms, and required documents for each product.
Product Portfolio
Longfeng's food additive business covers several product groups:
Flavor Enhancers
Monosodium Glutamate and related products.
Sweeteners
Aspartame, Acesulfame K, Sucralose, Erythritol, and other sweetening ingredients.
Preservatives
Potassium Sorbate, Sodium Benzoate, and related products.
Acidity Regulators
Citric Acid, Sodium Citrate, and other acidity-regulating ingredients.
Thickeners & Stabilizers
Xanthan Gum, Sodium Alginate, CMC, Carrageenan, and other products.
Other Food Ingredients
Amino acids, proteins, vitamins, phosphates, flavors and fragrances, and other food raw materials.
Longfeng supplies feed-grade products including:
L-Valine Feed Additive · Feed Grade Glycine · Choline Chloride · L-Lysine Sulphate · Feed Grade L-Lysine
The industrial chemical portfolio includes:
Sulfamic Acid · Titanium Dioxide · Sodium Nitrite · Sodium Nitrate · Magnesium Sulphate · Glacial Acetic Acid · Maleic Anhydride
International Market Experience
45+ Countries and Regions
Longfeng supplies international customers across Latin America, Europe, Asia, Africa, and other markets.
01
Latin America
Chile · Peru · Bolivia · Argentina · Brazil · Mexico · Colombia · Jamaica
02
Europe
Spain · Germany · Russia · Turkey
03
Asia
Thailand · South Korea · India · Malaysia · Vietnam · Singapore · New Zealand
04
Africa
Egypt · Tanzania · South Africa · Mauritius · Ghana
05
pInternational Customer Base
Longfeng works with different types of chemical buyers.
Chemical Importers
Import chemical products from China for local distribution, resale, or further processing.
Distributors
Purchase chemical products for regional or industry-specific distribution.
Wholesalers
Purchase commercial quantities of chemical raw materials for resale.
Trading Companies
Source chemical products from China for international or domestic customers.
Industrial Buyers
Purchase chemical raw materials for manufacturing and industrial processing.
Manufacturers
Purchase food additives, feed additives, industrial chemicals, and other raw materials for their own production.
The purchasing model differs by customer, product, and market. Longfeng coordinates supply according to the actual product requirement rather than applying one standard supply arrangement to every order.
Product Confirmation
The product name, grade, specification, application, quantity, and packaging are reviewed before order confirmation.
Supply Source Confirmation
Longfeng confirms whether the product will be supplied through direct manufacturing activities or an applicable Chinese factory partner.
Documentation
Product documents are coordinated according to the specific product and destination.
Documents may include:
- COA
- SDS
- Product Specification
- Technical Documents
- Packing Information
- Applicable Export Documents
Packaging
Packaging is confirmed according to the product, factory arrangement, quantity, and buyer's purchasing requirements.
Shipment
Loading, export documentation, shipping arrangements, and delivery schedules are coordinated after order confirmation.