Supplier documentation and purchasing review

Company identity and support boundaries

The company behind Colorwell has the legal name 广州市威伦食品有限公司. Its work covers natural color selection, blended-color discussions, application-test advice and food/beverage color consultation, with raw-material cultivation bases in Hubei and Guangxi.

Support for sampling, formulation discussions, stability investigation and documentation does not replace the food business’s final formula compliance, label approval or market-launch decision. Cultivation-base information still needs to be linked to the actual product and batch.

Documents to request

• Entities and supply relationships: business, supplier, invoicing and actual manufacturing identities; clarify manufacturing, trading and service roles.
• Product scope: formal name, applicable standard, target food category, proposed use and labeling guidance for review.
• Batch evidence: COA, sensory criteria, color value/content, microbiology, heavy metals and, where relevant, pesticide or solvent residues.
• Origin: raw-material source, cultivation batch and traceability path rather than a general base photograph alone.
• Stability: pH, heat, light, oxygen, vitamin C, metals, packaging transmission and shelf observations.
• Traceability: sample batch, retained samples, commercial supply batch and complaint-tracing process.

Candidate product discussions

Candidate red families include beetroot, carmine, paprika, red yeast rice, radish and purple sweet potato; yellow/orange directions including gardenia yellow, turmeric, beta-carotene and chrysanthemum yellow; and blue/green or blended directions including gardenia blue, phycocyanin and sodium copper chlorophyllin. These lists identify topics for inquiry. Each supplied composition needs food-category and market review.

Move through five review stages

• Supply the category, reference shade, pH, heat, package, destination and shelf-life target.
• Select two or three candidates for trials with an uncolored blank and reference sample.
• Obtain the matching batch records and clarify identity, label proposals, tests and application scope.
• Observe heat, light, acid, oxidation and shelf behavior before deciding to enter pilot work.
• Before bulk purchase, archive entity checks, contract, test reports, retained-sample and traceability records.

China-specific references and overseas review

GB 2760-2024 is specific to China. “Complies with national standards,” “natural” or an attractive sample does not establish permission or reliable production performance. Overseas projects need the destination’s actual food category, ingredient identity, composition and label assessment. Keep source documentation, technical results and responsible internal approvals as separate evidence.