About Aowei Science & Technology Co., Ltd.(Zhangjiajie) - Food Chemicals Supplier in China

Aowei Science & Technology Co., Ltd. is based in Zhangjiajie, China and currently lists five active products. The company is classified as an imported supplier with a harbor trust tier. Its catalogue focuses on food‑chemical substances, specifically under the broader Food Chemicals category. The listed items are organic acid and antioxidant compounds commonly used in food preservation and processing. Export listings are organized under the HS chapter 29 family for organic chemicals.

The product portfolio includes gallic acid, propyl gallate, pyrogallol, 3,4,5‑trimethoxy benzoic acid and tannic acid. These compounds are identified by their chemical names without additional HS codes in the public listing. All five items are typical raw materials for antioxidant formulation, flavor stabilization and polymer cross‑linking. Buyers can locate each product under the HS code range 2933‑2939, which covers phenols and related organic compounds. The catalogue does not specify further sub‑HS classifications.

Product Range and Specialties of Aowei Science & Technology Co., Ltd.(Zhangjiajie)

The catalogue offers five phenolic acid and antioxidant chemicals. Gallic acid is generally supplied at 99 % purity or higher and meets food‑grade specifications such as USP and FCC. Propyl gallate is typically provided as a crystalline powder with purity of 98 - 99 % and is used as a lipid antioxidant in food and beverage applications. Pyrogallol is offered as a high‑purity (≥98 %) phenolic compound for polymerisation and photographic processes. 3,4,5‑trimethoxy benzoic acid is a specialty aromatic acid often required at ≥97 % purity for pharmaceutical intermediates. Tannic acid is commonly sold as a food‑grade polyphenol with moisture content below 10 % and a molecular weight distribution suitable for beverage clarification.

Trade and Export Information - Aowei Science & Technology Co., Ltd.(Zhangjiajie)

China is a major exporter of organic food chemicals, and shipments from Zhangjiajie typically target the European Union, North America and Southeast Asian markets. The HS chapter 29 codes for phenolic acids and antioxidants are subject to customs inspection for purity, documentation and possible anti‑dumping duties. Buyers often request certificates of analysis, ISO‑9001 quality system certification and compliance with EU Regulation No 10/2011 for food additives.

Standard logistics for these bulk chemicals involve 20‑ft or 40‑ft containers packed in sealed polyethylene drums (25 kg) or fiberboard bags (500 kg). Common Incoterms are FOB Zhangjiajie or CIF destination port, with temperature‑controlled handling recommended for moisture‑sensitive grades. Export documentation usually includes a commercial invoice, packing list, certificate of origin and any required phytosanitary or food‑safety certificates.

Sourcing from Aowei Science & Technology Co., Ltd.(Zhangjiajie) - Buyer Guidance

When sourcing from Aowei, buyers should request a recent Certificate of Analysis that confirms purity, moisture content and heavy‑metal limits for each chemical. It is advisable to verify that the supplier can provide ISO‑9001 or equivalent quality‑system documentation, as these are standard requirements for food‑grade chemicals.

Typical minimum order quantities for phenolic acids range from 500 kg to 1 ton, with lead times of 30‑45 days after order confirmation. Packaging should be verified for compatibility with the intended application, and buyers often arrange pre‑shipment sampling to validate specifications before full‑scale purchase.

What product categories does Aowei list?

The supplier lists five food‑chemical compounds: gallic acid, propyl gallate, pyrogallol, 3,4,5‑trimethoxy benzoic acid and tannic acid, all classified under HS chapter 29 for organic chemicals.

How can I obtain a sample of gallic acid?

Samples are typically offered in 250 g sealed vials; buyers should request a sample quote specifying the intended use and provide a copy of their company’s import licence.

Which certifications should I ask for before purchasing?

Request a current Certificate of Analysis, ISO‑9001 quality‑system certification and, if the product is intended for food use, compliance documents such as USP or FCC specifications.

What are the usual HS codes for these chemicals?

The chemicals fall under HS codes 2933‑2939, covering phenols, phenolic acids and related organic compounds; exact sub‑headings depend on the specific chemical structure.

What is the typical MOQ and lead time?

Minimum order quantities are generally 500 kg per chemical, with production and export lead times of 30 to 45 days from order confirmation.

How are the products packaged for export?

Export packaging commonly uses 25 kg polyethylene drums or 500 kg fiberboard bags, sealed and labelled with HS code, net weight and safety data sheet information.

Which markets import these food chemicals from China?

Major importers include the European Union, United States and Southeast Asian countries, where the chemicals are used in food processing, pharmaceutical intermediates and polymer manufacturing.